56105550006 has 32 divisors (see below), whose sum is σ = 123886965888. Its totient is φ = 16796840640.

The previous prime is 56105549989. The next prime is 56105550049. The reversal of 56105550006 is 60005550165.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 5115511 + ... + 5126466.

It is an arithmetic number, because the mean of its divisors is an integer number (3871467684).

Almost surely, 2^56105550006 is an apocalyptic number.

56105550006 is an abundant number, since it is smaller than the sum of its proper divisors (67781415882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56105550006 is a wasteful number, since it uses less digits than its factorization.

56105550006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242076.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 56105550006 in words is "fifty-six billion, one hundred five million, five hundred fifty thousand, six".