56942431 has 16 divisors (see below), whose sum is σ = 70507584. Its totient is φ = 44780544.

The previous prime is 56942377. The next prime is 56942437. The reversal of 56942431 is 13424965.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56942431 - 2⁹ = 56941919 is a prime.

It is a super-2 number, since 2×56942431² = 6484880896379522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56942437) 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, 13935 + ... + 17551.

It is an arithmetic number, because the mean of its divisors is an integer number (4406724).

Almost surely, 2^56942431 is an apocalyptic number.

56942431 is a deficient number, since it is larger than the sum of its proper divisors (13565153).

56942431 is a wasteful number, since it uses less digits than its factorization.

56942431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810.

The product of its digits is 25920, while the sum is 34.

The square root of 56942431 is about 7546.0208719563. The cubic root of 56942431 is about 384.7205055299.

The spelling of 56942431 in words is "fifty-six million, nine hundred forty-two thousand, four hundred thirty-one".