56510066005 has 16 divisors (see below), whose sum is σ = 70021670400. Its totient is φ = 43735913280.

The previous prime is 56510065991. The next prime is 56510066009. The reversal of 56510066005 is 50066001565.

It is not a de Polignac number, because 56510066005 - 2⁷ = 56510065877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56510066009) 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, 449211 + ... + 561079.

It is an arithmetic number, because the mean of its divisors is an integer number (4376354400).

Almost surely, 2^56510066005 is an apocalyptic number.

It is an amenable number.

56510066005 is a deficient number, since it is larger than the sum of its proper divisors (13511604395).

56510066005 is a wasteful number, since it uses less digits than its factorization.

56510066005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115164.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 56510066005 in words is "fifty-six billion, five hundred ten million, sixty-six thousand, five".