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55461952 = 2671389107
BaseRepresentation
bin1101001110010…
…0100001000000
310212100202111101
43103210201000
5103144240302
65300424144
71242263440
oct323444100
9125322441
1055461952
1129341427
12166a8054
13b64b530
14751a120
154d08287
hex34e4840

55461952 has 112 divisors (see below), whose sum is σ = 138257280. Its totient is φ = 21491712.

The previous prime is 55461937. The next prime is 55461953. The reversal of 55461952 is 25916455.

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

It is not an unprimeable number, because it can be changed into a prime (55461953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518283 + ... + 518389.

It is an arithmetic number, because the mean of its divisors is an integer number (1234440).

Almost surely, 255461952 is an apocalyptic number.

55461952 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55461952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69128640).

55461952 is an abundant number, since it is smaller than the sum of its proper divisors (82795328).

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

55461952 is a wasteful number, since it uses less digits than its factorization.

55461952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 218 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 55461952 is about 7447.2781605094. The cubic root of 55461952 is about 381.3569950706.

The spelling of 55461952 in words is "fifty-five million, four hundred sixty-one thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 89 91 104 107 112 178 182 208 214 224 356 364 416 428 448 623 712 728 749 832 856 1157 1246 1391 1424 1456 1498 1712 2314 2492 2782 2848 2912 2996 3424 4628 4984 5564 5696 5824 5992 6848 8099 9256 9523 9737 9968 11128 11984 16198 18512 19046 19474 19936 22256 23968 32396 37024 38092 38948 39872 44512 47936 64792 66661 74048 76184 77896 89024 123799 129584 133322 152368 155792 247598 259168 266644 304736 311584 495196 518336 533288 609472 623168 866593 990392 1066576 1733186 1980784 2133152 3466372 3961568 4266304 6932744 7923136 13865488 27730976 55461952