56316251 has 2 divisors, whose sum is σ = 56316252. Its totient is φ = 56316250.

The previous prime is 56316229. The next prime is 56316301. The reversal of 56316251 is 15261365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56316251 - 2¹⁰ = 56315227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56316451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28158125 + 28158126.

It is an arithmetic number, because the mean of its divisors is an integer number (28158126).

Almost surely, 2^56316251 is an apocalyptic number.

56316251 is a deficient number, since it is larger than the sum of its proper divisors (1).

56316251 is an equidigital number, since it uses as much as digits as its factorization.

56316251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 56316251 is about 7504.4154335964. The cubic root of 56316251 is about 383.3050831523.

The spelling of 56316251 in words is "fifty-six million, three hundred sixteen thousand, two hundred fifty-one".