56900817 has 6 divisors (see below), whose sum is σ = 82190082. Its totient is φ = 37933872.

The previous prime is 56900797. The next prime is 56900821. The reversal of 56900817 is 71800965.

56900817 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 only one way, i.e., 40908816 + 15992001 = 6396^2 + 3999^2 .

It is not a de Polignac number, because 56900817 - 2¹¹ = 56898769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56900867) 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 5 ways as a sum of consecutive naturals, for example, 3161148 + ... + 3161165.

It is an arithmetic number, because the mean of its divisors is an integer number (13698347).

Almost surely, 2^56900817 is an apocalyptic number.

It is an amenable number.

56900817 is a deficient number, since it is larger than the sum of its proper divisors (25289265).

56900817 is a wasteful number, since it uses less digits than its factorization.

56900817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322319 (or 6322316 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 56900817 is about 7543.2630207358. The cubic root of 56900817 is about 384.6267637136.

The spelling of 56900817 in words is "fifty-six million, nine hundred thousand, eight hundred seventeen".