56631670 has 16 divisors (see below), whose sum is σ = 102024000. Its totient is φ = 22633344.

The previous prime is 56631667. The next prime is 56631671. The reversal of 56631670 is 7613665.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56631671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18574 + ... + 21406.

It is an arithmetic number, because the mean of its divisors is an integer number (6376500).

Almost surely, 2^56631670 is an apocalyptic number.

56631670 is a deficient number, since it is larger than the sum of its proper divisors (45392330).

56631670 is a wasteful number, since it uses less digits than its factorization.

56631670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 56631670 is about 7525.4016504104. The cubic root of 56631670 is about 384.0193629921.

The spelling of 56631670 in words is "fifty-six million, six hundred thirty-one thousand, six hundred seventy".