56696569 has 4 divisors (see below), whose sum is σ = 56793744. Its totient is φ = 56599396.

The previous prime is 56696557. The next prime is 56696623. The reversal of 56696569 is 96569665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56696569 - 2⁷ = 56696441 is a prime.

It is a super-2 number, since 2×56696569² = 6429001872743522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56696509) 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, 47707 + ... + 48880.

It is an arithmetic number, because the mean of its divisors is an integer number (14198436).

Almost surely, 2^56696569 is an apocalyptic number.

It is an amenable number.

56696569 is a deficient number, since it is larger than the sum of its proper divisors (97175).

56696569 is an equidigital number, since it uses as much as digits as its factorization.

56696569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97174.

The product of its digits is 2624400, while the sum is 52.

The square root of 56696569 is about 7529.7124115068. The cubic root of 56696569 is about 384.1660003680.

It can be divided in two parts, 5669656 and 9, that added together give a palindrome (5669665).

The spelling of 56696569 in words is "fifty-six million, six hundred ninety-six thousand, five hundred sixty-nine".