56769819 has 16 divisors (see below), whose sum is σ = 79199232. Its totient is φ = 36102528.

The previous prime is 56769799. The next prime is 56769821. The reversal of 56769819 is 91896765.

It is not a de Polignac number, because 56769819 - 2¹¹ = 56767771 is a prime.

It is a super-2 number, since 2×56769819² = 6445624698585522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56769899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31059 + ... + 32835.

It is an arithmetic number, because the mean of its divisors is an integer number (4949952).

Almost surely, 2^56769819 is an apocalyptic number.

56769819 is a deficient number, since it is larger than the sum of its proper divisors (22429413).

56769819 is a wasteful number, since it uses less digits than its factorization.

56769819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266.

The product of its digits is 816480, while the sum is 51.

The square root of 56769819 is about 7534.5749050627. The cubic root of 56769819 is about 384.3313722180.

The spelling of 56769819 in words is "fifty-six million, seven hundred sixty-nine thousand, eight hundred nineteen".