56713091 has 2 divisors, whose sum is σ = 56713092. Its totient is φ = 56713090.

The previous prime is 56713061. The next prime is 56713117. The reversal of 56713091 is 19031765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56713091 - 2¹⁴ = 56696707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56713051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28356545 + 28356546.

It is an arithmetic number, because the mean of its divisors is an integer number (28356546).

Almost surely, 2^56713091 is an apocalyptic number.

56713091 is a deficient number, since it is larger than the sum of its proper divisors (1).

56713091 is an equidigital number, since it uses as much as digits as its factorization.

56713091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 56713091 is about 7530.8094518451. The cubic root of 56713091 is about 384.2033134678.

The spelling of 56713091 in words is "fifty-six million, seven hundred thirteen thousand, ninety-one".