56512397 has 2 divisors, whose sum is σ = 56512398. Its totient is φ = 56512396.

The previous prime is 56512373. The next prime is 56512409. The reversal of 56512397 is 79321565.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47596201 + 8916196 = 6899^2 + 2986^2 .

It is a cyclic number.

It is not a de Polignac number, because 56512397 - 2¹² = 56508301 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56512397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56512367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28256198 + 28256199.

It is an arithmetic number, because the mean of its divisors is an integer number (28256199).

Almost surely, 2^56512397 is an apocalyptic number.

It is an amenable number.

56512397 is a deficient number, since it is larger than the sum of its proper divisors (1).

56512397 is an equidigital number, since it uses as much as digits as its factorization.

56512397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 38.

The square root of 56512397 is about 7517.4727801303. The cubic root of 56512397 is about 383.7495767590.

The spelling of 56512397 in words is "fifty-six million, five hundred twelve thousand, three hundred ninety-seven".