56936690 has 8 divisors (see below), whose sum is σ = 102486060. Its totient is φ = 22774672.

The previous prime is 56936669. The next prime is 56936699. The reversal of 56936690 is 9663965.

56936690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56806369 + 130321 = 7537^2 + 361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56936690² = 6483573336312200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56936699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2846825 + ... + 2846844.

Almost surely, 2^56936690 is an apocalyptic number.

56936690 is a deficient number, since it is larger than the sum of its proper divisors (45549370).

56936690 is a wasteful number, since it uses less digits than its factorization.

56936690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693676.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 56936690 is about 7545.6404632079. The cubic root of 56936690 is about 384.7075757772.

The spelling of 56936690 in words is "fifty-six million, nine hundred thirty-six thousand, six hundred ninety".