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55368768 = 2637133169
BaseRepresentation
bin1101001100110…
…1110001000000
310212012000200010
43103031301000
5103133300033
65254424520
71241424660
oct323156100
9125160603
1055368768
1129288414
1216662140
13b617cb0
1474d41a0
154cda863
hex34cdc40

55368768 has 112 divisors (see below), whose sum is σ = 180360320. Its totient is φ = 14598144.

The previous prime is 55368713. The next prime is 55368787. The reversal of 55368768 is 86786355.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15888 + ... + 19056.

It is an arithmetic number, because the mean of its divisors is an integer number (1610360).

Almost surely, 255368768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55368768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90180160).

55368768 is an abundant number, since it is smaller than the sum of its proper divisors (124991552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55368768 is a wasteful number, since it uses less digits than its factorization.

55368768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204 (or 3194 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 55368768 is about 7441.0192850173. The cubic root of 55368768 is about 381.1432972735.

The spelling of 55368768 in words is "fifty-five million, three hundred sixty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 156 168 182 192 208 224 273 312 336 364 416 448 546 624 672 728 832 1092 1248 1344 1456 2184 2496 2912 3169 4368 5824 6338 8736 9507 12676 17472 19014 22183 25352 38028 41197 44366 50704 66549 76056 82394 88732 101408 123591 133098 152112 164788 177464 202816 247182 266196 288379 304224 329576 354928 494364 532392 576758 608448 659152 709856 865137 988728 1064784 1153516 1318304 1419712 1730274 1977456 2129568 2307032 2636608 3460548 3954912 4259136 4614064 6921096 7909824 9228128 13842192 18456256 27684384 55368768