56515269 has 8 divisors (see below), whose sum is σ = 75442752. Its totient is φ = 37632320.

The previous prime is 56515247. The next prime is 56515273. The reversal of 56515269 is 96251565.

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 56515269 - 2⁷ = 56515141 is a prime.

It is a super-2 number, since 2×56515269² = 6387951260284722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56515279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8049 + ... + 13334.

It is an arithmetic number, because the mean of its divisors is an integer number (9430344).

Almost surely, 2^56515269 is an apocalyptic number.

It is an amenable number.

56515269 is a deficient number, since it is larger than the sum of its proper divisors (18927483).

56515269 is a wasteful number, since it uses less digits than its factorization.

56515269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22267.

The product of its digits is 81000, while the sum is 39.

The square root of 56515269 is about 7517.6637993462. The cubic root of 56515269 is about 383.7560774572.

The spelling of 56515269 in words is "fifty-six million, five hundred fifteen thousand, two hundred sixty-nine".