56120868 has 18 divisors (see below), whose sum is σ = 141861174. Its totient is φ = 18706944.

The previous prime is 56120861. The next prime is 56120873. The reversal of 56120868 is 86802165.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29680704 + 26440164 = 5448^2 + 5142^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1558913 = 56120868 / (5 + 6 + 1 + 2 + 0 + 8 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (56120861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779421 + ... + 779492.

Almost surely, 2^56120868 is an apocalyptic number.

It is an amenable number.

56120868 is an abundant number, since it is smaller than the sum of its proper divisors (85740306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56120868 is a wasteful number, since it uses less digits than its factorization.

56120868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558923 (or 1558918 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 56120868 is about 7491.3862535581. The cubic root of 56120868 is about 382.8612913393.

The spelling of 56120868 in words is "fifty-six million, one hundred twenty thousand, eight hundred sixty-eight".