56757426 has 32 divisors (see below), whose sum is σ = 124117056. Its totient is φ = 17160000.

The previous prime is 56757413. The next prime is 56757431. The reversal of 56757426 is 62475765.

It is a super-2 number, since 2×56757426² = 6442810812290952, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 42976 + ... + 44276.

It is an arithmetic number, because the mean of its divisors is an integer number (3878658).

Almost surely, 2^56757426 is an apocalyptic number.

56757426 is an abundant number, since it is smaller than the sum of its proper divisors (67359630).

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

56757426 is a wasteful number, since it uses less digits than its factorization.

56757426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978.

The product of its digits is 352800, while the sum is 42.

The square root of 56757426 is about 7533.7524514680. The cubic root of 56757426 is about 384.3034033347.

The spelling of 56757426 in words is "fifty-six million, seven hundred fifty-seven thousand, four hundred twenty-six".