57956416 has 42 divisors (see below), whose sum is σ = 133791198. Its totient is φ = 24837120.

The previous prime is 57956399. The next prime is 57956429. The reversal of 57956416 is 61465975.

It can be written as a sum of positive squares in only one way, i.e., 57153600 + 802816 = 7560^2 + 896^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6105 + ... + 12376.

Almost surely, 2^57956416 is an apocalyptic number.

57956416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57956416 is an abundant number, since it is smaller than the sum of its proper divisors (75834782).

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

57956416 is a wasteful number, since it uses less digits than its factorization.

57956416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18507 (or 18490 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 57956416 is about 7612.9111383228. The cubic root of 57956416 is about 386.9906809802.

The spelling of 57956416 in words is "fifty-seven million, nine hundred fifty-six thousand, four hundred sixteen".