56863765 has 24 divisors (see below), whose sum is σ = 81948672. Its totient is φ = 37729440.

The previous prime is 56863757. The next prime is 56863769. The reversal of 56863765 is 56736865.

It is a happy number.

56863765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56863765 - 2³ = 56863757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56863769) 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 23 ways as a sum of consecutive naturals, for example, 3852 + ... + 11338.

It is an arithmetic number, because the mean of its divisors is an integer number (3414528).

Almost surely, 2^56863765 is an apocalyptic number.

It is an amenable number.

56863765 is a deficient number, since it is larger than the sum of its proper divisors (25084907).

56863765 is a wasteful number, since it uses less digits than its factorization.

56863765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537 (or 7530 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 56863765 is about 7540.8066544634. The cubic root of 56863765 is about 384.5432600193.

The spelling of 56863765 in words is "fifty-six million, eight hundred sixty-three thousand, seven hundred sixty-five".