56765969 has 8 divisors (see below), whose sum is σ = 61236672. Its totient is φ = 52310160.

The previous prime is 56765959. The next prime is 56765981. The reversal of 56765969 is 96956765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56765969 - 2²⁰ = 55717393 is a prime.

It is a super-2 number, since 2×56765969² = 6444750473017922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56765969.

It is not an unprimeable number, because it can be changed into a prime (56765959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4964 + ... + 11754.

It is an arithmetic number, because the mean of its divisors is an integer number (7654584).

Almost surely, 2^56765969 is an apocalyptic number.

It is an amenable number.

56765969 is a deficient number, since it is larger than the sum of its proper divisors (4470703).

56765969 is a wasteful number, since it uses less digits than its factorization.

56765969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447.

The product of its digits is 3061800, while the sum is 53.

The square root of 56765969 is about 7534.3194118646. The cubic root of 56765969 is about 384.3226838617.

The spelling of 56765969 in words is "fifty-six million, seven hundred sixty-five thousand, nine hundred sixty-nine".