56938631 has 2 divisors, whose sum is σ = 56938632. Its totient is φ = 56938630.

The previous prime is 56938621. The next prime is 56938633. The reversal of 56938631 is 13683965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56938631 - 2¹⁴ = 56922247 is a prime.

It is a super-2 number, since 2×56938631² = 6484015400308322, which contains 22 as substring.

Together with 56938633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56938633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28469315 + 28469316.

It is an arithmetic number, because the mean of its divisors is an integer number (28469316).

Almost surely, 2^56938631 is an apocalyptic number.

56938631 is a deficient number, since it is larger than the sum of its proper divisors (1).

56938631 is an equidigital number, since it uses as much as digits as its factorization.

56938631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 56938631 is about 7545.7690794246. The cubic root of 56938631 is about 384.7119473516.

The spelling of 56938631 in words is "fifty-six million, nine hundred thirty-eight thousand, six hundred thirty-one".