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54481056 = 25371719251
BaseRepresentation
bin1100111111010…
…1000010100000
310210111220221220
43033311002200
5102421343211
65223415040
71231036620
oct317650240
9123456856
1054481056
1128831473
12162b4480
13b396c16
147342880
154bb2806
hex33f50a0

54481056 has 192 divisors, whose sum is σ = 182891520. Its totient is φ = 13824000.

The previous prime is 54481033. The next prime is 54481061. The reversal of 54481056 is 65018445.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216931 + ... + 217181.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 254481056 is an apocalyptic number.

54481056 is a gapful number since it is divisible by the number (56) 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 54481056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91445760).

54481056 is an abundant number, since it is smaller than the sum of its proper divisors (128410464).

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

54481056 is a wasteful number, since it uses less digits than its factorization.

54481056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 54481056 is about 7381.1283690233. The cubic root of 54481056 is about 379.0953921068.

The spelling of 54481056 in words is "fifty-four million, four hundred eighty-one thousand, fifty-six".