56313791 has 2 divisors, whose sum is σ = 56313792. Its totient is φ = 56313790.

The previous prime is 56313781. The next prime is 56313793. The reversal of 56313791 is 19731365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56313791 - 2¹⁴ = 56297407 is a prime.

Together with 56313793, 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 (56313793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28156895 + 28156896.

It is an arithmetic number, because the mean of its divisors is an integer number (28156896).

Almost surely, 2^56313791 is an apocalyptic number.

56313791 is a deficient number, since it is larger than the sum of its proper divisors (1).

56313791 is an equidigital number, since it uses as much as digits as its factorization.

56313791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 35.

The square root of 56313791 is about 7504.2515283005. The cubic root of 56313791 is about 383.2995019082.

The spelling of 56313791 in words is "fifty-six million, three hundred thirteen thousand, seven hundred ninety-one".