56799765 has 64 divisors (see below), whose sum is σ = 115015680. Its totient is φ = 26326080.

The previous prime is 56799763. The next prime is 56799793.

56799765 is a `hidden beast` number, since 567 + 9 + 9 + 76 + 5 = 666.

56799765 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56799765 - 2¹ = 56799763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56799763) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33324 + ... + 34986.

It is an arithmetic number, because the mean of its divisors is an integer number (1797120).

Almost surely, 2^56799765 is an apocalyptic number.

56799765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56799765 is an abundant number, since it is smaller than the sum of its proper divisors (58215915).

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

56799765 is a wasteful number, since it uses less digits than its factorization.

56799765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711 (or 1705 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 54.

The square root of 56799765 is about 7536.5618819194. The cubic root of 56799765 is about 384.3989384258.

The spelling of 56799765 in words is "fifty-six million, seven hundred ninety-nine thousand, seven hundred sixty-five".