56507507 has 16 divisors (see below), whose sum is σ = 68935680. Its totient is φ = 45214848.

The previous prime is 56507497. The next prime is 56507519. The reversal of 56507507 is 70570565.

It is not a de Polignac number, because 56507507 - 2¹² = 56503411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56507537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13244 + ... + 16982.

It is an arithmetic number, because the mean of its divisors is an integer number (4308480).

Almost surely, 2^56507507 is an apocalyptic number.

56507507 is a deficient number, since it is larger than the sum of its proper divisors (12428173).

56507507 is a wasteful number, since it uses less digits than its factorization.

56507507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 56507507 is about 7517.1475308125. The cubic root of 56507507 is about 383.7385078628.

The spelling of 56507507 in words is "fifty-six million, five hundred seven thousand, five hundred seven".