56920631 has 2 divisors, whose sum is σ = 56920632. Its totient is φ = 56920630.

The previous prime is 56920621. The next prime is 56920687. The reversal of 56920631 is 13602965.

It is a happy number.

56920631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56920631 - 2¹⁴ = 56904247 is a prime.

It is a super-2 number, since 2×56920631² = 6479916466876322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56920621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28460315 + 28460316.

It is an arithmetic number, because the mean of its divisors is an integer number (28460316).

Almost surely, 2^56920631 is an apocalyptic number.

56920631 is a deficient number, since it is larger than the sum of its proper divisors (1).

56920631 is an equidigital number, since it uses as much as digits as its factorization.

56920631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 56920631 is about 7544.5762637805. The cubic root of 56920631 is about 384.6714034374.

The spelling of 56920631 in words is "fifty-six million, nine hundred twenty thousand, six hundred thirty-one".