56313709 has 2 divisors, whose sum is σ = 56313710. Its totient is φ = 56313708.

The previous prime is 56313659. The next prime is 56313767. The reversal of 56313709 is 90731365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55204900 + 1108809 = 7430^2 + 1053^2 .

It is a cyclic number.

It is not a de Polignac number, because 56313709 - 2¹⁵ = 56280941 is a prime.

It is equal to p_3355981 and since 56313709 and 3355981 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56313769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28156854 + 28156855.

It is an arithmetic number, because the mean of its divisors is an integer number (28156855).

Almost surely, 2^56313709 is an apocalyptic number.

It is an amenable number.

56313709 is a deficient number, since it is larger than the sum of its proper divisors (1).

56313709 is an equidigital number, since it uses as much as digits as its factorization.

56313709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 56313709 is about 7504.2460647290. The cubic root of 56313709 is about 383.2993158639.

The spelling of 56313709 in words is "fifty-six million, three hundred thirteen thousand, seven hundred nine".