56507505 has 32 divisors (see below), whose sum is σ = 92188800. Its totient is φ = 29552640.

The previous prime is 56507497. The next prime is 56507519. The reversal of 56507505 is 50570565.

It is not a de Polignac number, because 56507505 - 2³ = 56507497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292689 + ... + 292881.

It is an arithmetic number, because the mean of its divisors is an integer number (2880900).

Almost surely, 2^56507505 is an apocalyptic number.

It is an amenable number.

56507505 is a deficient number, since it is larger than the sum of its proper divisors (35681295).

56507505 is a wasteful number, since it uses less digits than its factorization.

56507505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 56507505 is about 7517.1473977833. The cubic root of 56507505 is about 383.7385033355.

The spelling of 56507505 in words is "fifty-six million, five hundred seven thousand, five hundred five".