56531626 has 16 divisors (see below), whose sum is σ = 85691520. Its totient is φ = 27969760.

The previous prime is 56531623. The next prime is 56531633. The reversal of 56531626 is 62613565.

It is a junction number, because it is equal to n+sod(n) for n = 56531591 and 56531600.

It is not an unprimeable number, because it can be changed into a prime (56531621) 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, 108246 + ... + 108766.

It is an arithmetic number, because the mean of its divisors is an integer number (5355720).

Almost surely, 2^56531626 is an apocalyptic number.

56531626 is a deficient number, since it is larger than the sum of its proper divisors (29159894).

56531626 is a wasteful number, since it uses less digits than its factorization.

56531626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

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

The square root of 56531626 is about 7518.7516251037. The cubic root of 56531626 is about 383.7930969080.

The spelling of 56531626 in words is "fifty-six million, five hundred thirty-one thousand, six hundred twenty-six".