56805007 has 16 divisors (see below), whose sum is σ = 68954112. Its totient is φ = 45682560.

The previous prime is 56804983. The next prime is 56805019. The reversal of 56805007 is 70050865.

It is a de Polignac number, because none of the positive numbers 2^k-56805007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56805007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56805907) 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, 54582 + ... + 55612.

It is an arithmetic number, because the mean of its divisors is an integer number (4309632).

Almost surely, 2^56805007 is an apocalyptic number.

56805007 is a deficient number, since it is larger than the sum of its proper divisors (12149105).

56805007 is a wasteful number, since it uses less digits than its factorization.

56805007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 56805007 is about 7536.9096452061. The cubic root of 56805007 is about 384.4107633412.

The spelling of 56805007 in words is "fifty-six million, eight hundred five thousand, seven".