56317451 has 2 divisors, whose sum is σ = 56317452. Its totient is φ = 56317450.

The previous prime is 56317433. The next prime is 56317489. The reversal of 56317451 is 15471365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56317451 - 2¹⁴ = 56301067 is a prime.

It is equal to p_3356195 and since 56317451 and 3356195 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (56317411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28158725 + 28158726.

It is an arithmetic number, because the mean of its divisors is an integer number (28158726).

Almost surely, 2^56317451 is an apocalyptic number.

56317451 is a deficient number, since it is larger than the sum of its proper divisors (1).

56317451 is an equidigital number, since it uses as much as digits as its factorization.

56317451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 56317451 is about 7504.4953861003. The cubic root of 56317451 is about 383.3078056514.

The spelling of 56317451 in words is "fifty-six million, three hundred seventeen thousand, four hundred fifty-one".