57057456 has 40 divisors (see below), whose sum is σ = 155158720. Its totient is φ = 18017856.

The previous prime is 57057439. The next prime is 57057461. The reversal of 57057456 is 65475075.

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 7 ways as a sum of consecutive naturals, for example, 30370 + ... + 32193.

It is an arithmetic number, because the mean of its divisors is an integer number (3878968).

Almost surely, 2^57057456 is an apocalyptic number.

It is an amenable number.

57057456 is an abundant number, since it is smaller than the sum of its proper divisors (98101264).

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

57057456 is a wasteful number, since it uses less digits than its factorization.

57057456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62593 (or 62587 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 57057456 is about 7553.6385934197. The cubic root of 57057456 is about 384.9793793420.

The spelling of 57057456 in words is "fifty-seven million, fifty-seven thousand, four hundred fifty-six".