56936669 has 2 divisors, whose sum is σ = 56936670. Its totient is φ = 56936668.

The previous prime is 56936651. The next prime is 56936699. The reversal of 56936669 is 96663965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37027225 + 19909444 = 6085^2 + 4462^2 .

It is a cyclic number.

It is not a de Polignac number, because 56936669 - 2²⁴ = 40159453 is a prime.

It is a super-2 number, since 2×56936669² = 6483568553631122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56936609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28468334 + 28468335.

It is an arithmetic number, because the mean of its divisors is an integer number (28468335).

Almost surely, 2^56936669 is an apocalyptic number.

It is an amenable number.

56936669 is a deficient number, since it is larger than the sum of its proper divisors (1).

56936669 is an equidigital number, since it uses as much as digits as its factorization.

56936669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 50.

The square root of 56936669 is about 7545.6390716758. The cubic root of 56936669 is about 384.7075284799.

The spelling of 56936669 in words is "fifty-six million, nine hundred thirty-six thousand, six hundred sixty-nine".