56858769 has 24 divisors (see below), whose sum is σ = 89904672. Its totient is φ = 34341120.

The previous prime is 56858741. The next prime is 56858819. The reversal of 56858769 is 96785865.

56858769 is a `hidden beast` number, since 56 + 8 + 587 + 6 + 9 = 666.

It is not a de Polignac number, because 56858769 - 2⁹ = 56858257 is a prime.

It is a super-2 number, since 2×56858769² = 6465839224390722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56858729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34134 + ... + 35760.

It is an arithmetic number, because the mean of its divisors is an integer number (3746028).

Almost surely, 2^56858769 is an apocalyptic number.

It is an amenable number.

56858769 is a deficient number, since it is larger than the sum of its proper divisors (33045903).

56858769 is a wasteful number, since it uses less digits than its factorization.

56858769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1994 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 56858769 is about 7540.4753828920. The cubic root of 56858769 is about 384.5319978128.

The spelling of 56858769 in words is "fifty-six million, eight hundred fifty-eight thousand, seven hundred sixty-nine".