56992431 has 8 divisors (see below), whose sum is σ = 76083840. Its totient is φ = 37947992.

The previous prime is 56992427. The next prime is 56992433. The reversal of 56992431 is 13429965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56992431 - 2² = 56992427 is a prime.

It is a super-2 number, since 2×56992431² = 6496274382579522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56992431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56992433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8805 + ... + 13838.

It is an arithmetic number, because the mean of its divisors is an integer number (9510480).

Almost surely, 2^56992431 is an apocalyptic number.

56992431 is a deficient number, since it is larger than the sum of its proper divisors (19091409).

56992431 is a wasteful number, since it uses less digits than its factorization.

56992431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23485.

The product of its digits is 58320, while the sum is 39.

The square root of 56992431 is about 7549.3331493583. Note that the first 3 decimals coincide. The cubic root of 56992431 is about 384.8330776923.

The spelling of 56992431 in words is "fifty-six million, nine hundred ninety-two thousand, four hundred thirty-one".