56004515 has 16 divisors (see below), whose sum is σ = 76939200. Its totient is φ = 38336640.

The previous prime is 56004493. The next prime is 56004521. The reversal of 56004515 is 51540065.

It is not a de Polignac number, because 56004515 - 2¹⁴ = 55988131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27761 + ... + 29709.

It is an arithmetic number, because the mean of its divisors is an integer number (4808700).

Almost surely, 2^56004515 is an apocalyptic number.

56004515 is a deficient number, since it is larger than the sum of its proper divisors (20934685).

56004515 is a wasteful number, since it uses less digits than its factorization.

56004515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 56004515 is about 7483.6164385944. The cubic root of 56004515 is about 382.5965182833.

The spelling of 56004515 in words is "fifty-six million, four thousand, five hundred fifteen".