56869799 has 4 divisors (see below), whose sum is σ = 64994064. Its totient is φ = 48745536.

The previous prime is 56869789. The next prime is 56869817. The reversal of 56869799 is 99796865.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56869799 - 2¹⁶ = 56804263 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 (56869739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4062122 + ... + 4062135.

It is an arithmetic number, because the mean of its divisors is an integer number (16248516).

Almost surely, 2^56869799 is an apocalyptic number.

56869799 is a deficient number, since it is larger than the sum of its proper divisors (8124265).

56869799 is an equidigital number, since it uses as much as digits as its factorization.

56869799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124264.

The product of its digits is 7348320, while the sum is 59.

The square root of 56869799 is about 7541.2067336733. The cubic root of 56869799 is about 384.5568612524.

The spelling of 56869799 in words is "fifty-six million, eight hundred sixty-nine thousand, seven hundred ninety-nine".