57456056 has 32 divisors (see below), whose sum is σ = 130364640. Its totient is φ = 23175168.

The previous prime is 57456053. The next prime is 57456059. The reversal of 57456056 is 65065475.

It is an interprime number because it is at equal distance from previous prime (57456053) and next prime (57456059).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57456053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29225 + ... + 31128.

It is an arithmetic number, because the mean of its divisors is an integer number (4073895).

Almost surely, 2^57456056 is an apocalyptic number.

57456056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57456056 is an abundant number, since it is smaller than the sum of its proper divisors (72908584).

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

57456056 is a wasteful number, since it uses less digits than its factorization.

57456056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60383 (or 60379 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 57456056 is about 7579.9773086732. The cubic root of 57456056 is about 385.8737808478.

The spelling of 57456056 in words is "fifty-seven million, four hundred fifty-six thousand, fifty-six".