56418925805 has 16 divisors (see below), whose sum is σ = 73862129664. Its totient is φ = 41029375680.

The previous prime is 56418925769. The next prime is 56418925931. The reversal of 56418925805 is 50852981465.

It is not a de Polignac number, because 56418925805 - 2¹⁰ = 56418924781 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1609172 + ... + 1643858.

It is an arithmetic number, because the mean of its divisors is an integer number (4616383104).

Almost surely, 2^56418925805 is an apocalyptic number.

56418925805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56418925805 is a deficient number, since it is larger than the sum of its proper divisors (17443203859).

56418925805 is a wasteful number, since it uses less digits than its factorization.

56418925805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64276.

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 56418925805 in words is "fifty-six billion, four hundred eighteen million, nine hundred twenty-five thousand, eight hundred five".