56900913 has 4 divisors (see below), whose sum is σ = 75867888. Its totient is φ = 37933940.

The previous prime is 56900897. The next prime is 56900917. The reversal of 56900913 is 31900965.

56900913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56900913 - 2⁴ = 56900897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56900917) 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, 9483483 + ... + 9483488.

It is an arithmetic number, because the mean of its divisors is an integer number (18966972).

Almost surely, 2^56900913 is an apocalyptic number.

It is an amenable number.

56900913 is a deficient number, since it is larger than the sum of its proper divisors (18966975).

56900913 is a wasteful number, since it uses less digits than its factorization.

56900913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18966974.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 56900913 is about 7543.2693840271. The cubic root of 56900913 is about 384.6269800207.

The spelling of 56900913 in words is "fifty-six million, nine hundred thousand, nine hundred thirteen".