56979031 has 2 divisors, whose sum is σ = 56979032. Its totient is φ = 56979030.

The previous prime is 56979029. The next prime is 56979037. The reversal of 56979031 is 13097965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56979031 - 2¹ = 56979029 is a prime.

It is a super-2 number, since 2×56979031² = 6493219947397922, which contains 22 as substring.

Together with 56979029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56979037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28489515 + 28489516.

It is an arithmetic number, because the mean of its divisors is an integer number (28489516).

Almost surely, 2^56979031 is an apocalyptic number.

56979031 is a deficient number, since it is larger than the sum of its proper divisors (1).

56979031 is an equidigital number, since it uses as much as digits as its factorization.

56979031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 56979031 is about 7548.4456015792. The cubic root of 56979031 is about 384.8029148130.

The spelling of 56979031 in words is "fifty-six million, nine hundred seventy-nine thousand, thirty-one".