56864413 has 2 divisors, whose sum is σ = 56864414. Its totient is φ = 56864412.

The previous prime is 56864387. The next prime is 56864443. The reversal of 56864413 is 31446865.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48413764 + 8450649 = 6958^2 + 2907^2 .

It is a cyclic number.

It is not a de Polignac number, because 56864413 - 2⁹ = 56863901 is a prime.

It is a super-2 number, since 2×56864413² = 6467122931669138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56864443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28432206 + 28432207.

It is an arithmetic number, because the mean of its divisors is an integer number (28432207).

Almost surely, 2^56864413 is an apocalyptic number.

It is an amenable number.

56864413 is a deficient number, since it is larger than the sum of its proper divisors (1).

56864413 is an equidigital number, since it uses as much as digits as its factorization.

56864413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 56864413 is about 7540.8496205666. The cubic root of 56864413 is about 384.5447207216.

The spelling of 56864413 in words is "fifty-six million, eight hundred sixty-four thousand, four hundred thirteen".