56957442 has 32 divisors (see below), whose sum is σ = 115577280. Its totient is φ = 18711360.

The previous prime is 56957431. The next prime is 56957443. The reversal of 56957442 is 24475965.

It is a junction number, because it is equal to n+sod(n) for n = 56957394 and 56957403.

It is not an unprimeable number, because it can be changed into a prime (56957443) 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, 194248 + ... + 194540.

It is an arithmetic number, because the mean of its divisors is an integer number (3611790).

Almost surely, 2^56957442 is an apocalyptic number.

56957442 is an abundant number, since it is smaller than the sum of its proper divisors (58619838).

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

56957442 is a wasteful number, since it uses less digits than its factorization.

56957442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its digits is 302400, while the sum is 42.

The square root of 56957442 is about 7547.0154365815. The cubic root of 56957442 is about 384.7543088644.

The spelling of 56957442 in words is "fifty-six million, nine hundred fifty-seven thousand, four hundred forty-two".