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55202448 = 2437198647
BaseRepresentation
bin1101001010010…
…1001010010000
310211212120112010
43102211022100
5103112434243
65251102520
71240133040
oct322451220
9124776463
1055202448
1129184464
12165a1a40
13b58a392
14748d720
154ca6433
hex34a5290

55202448 has 80 divisors (see below), whose sum is σ = 171576320. Its totient is φ = 14940288.

The previous prime is 55202447. The next prime is 55202471. The reversal of 55202448 is 84420255.

It is not an unprimeable number, because it can be changed into a prime (55202443) 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, 2061 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (2144704).

Almost surely, 255202448 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 55202448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85788160).

55202448 is an abundant number, since it is smaller than the sum of its proper divisors (116373872).

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

55202448 is a wasteful number, since it uses less digits than its factorization.

55202448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684 (or 8678 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 55202448 is about 7429.8349914382. The cubic root of 55202448 is about 380.7612808713.

The spelling of 55202448 in words is "fifty-five million, two hundred two thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 2128 3192 6384 8647 17294 25941 34588 51882 60529 69176 103764 121058 138352 164293 181587 207528 242116 328586 363174 415056 484232 492879 657172 726348 968464 985758 1150051 1314344 1452696 1971516 2300102 2628688 2905392 3450153 3943032 4600204 6900306 7886064 9200408 13800612 18400816 27601224 55202448