56526631 has 8 divisors (see below), whose sum is σ = 65096064. Its totient is φ = 48080760.

The previous prime is 56526619. The next prime is 56526643. The reversal of 56526631 is 13662565.

It is an interprime number because it is at equal distance from previous prime (56526619) and next prime (56526643).

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

It is not a de Polignac number, because 56526631 - 2⁵ = 56526599 is a prime.

It is a super-2 number, since 2×56526631² = 6390520024420322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56526731) 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, 29905 + ... + 31738.

It is an arithmetic number, because the mean of its divisors is an integer number (8137008).

Almost surely, 2^56526631 is an apocalyptic number.

56526631 is a deficient number, since it is larger than the sum of its proper divisors (8569433).

56526631 is a wasteful number, since it uses less digits than its factorization.

56526631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61781.

The product of its digits is 32400, while the sum is 34.

The square root of 56526631 is about 7518.4194482617. The cubic root of 56526631 is about 383.7817928934.

The spelling of 56526631 in words is "fifty-six million, five hundred twenty-six thousand, six hundred thirty-one".