56105005555 has 8 divisors (see below), whose sum is σ = 67338490752. Its totient is φ = 44875681728.

The previous prime is 56105005507. The next prime is 56105005577. The reversal of 56105005555 is 55550050165.

56105005555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56105005555 - 2⁷ = 56105005427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010602 + ... + 1064671.

It is an arithmetic number, because the mean of its divisors is an integer number (8417311344).

Almost surely, 2^56105005555 is an apocalyptic number.

56105005555 is a deficient number, since it is larger than the sum of its proper divisors (11233485197).

56105005555 is a wasteful number, since it uses less digits than its factorization.

56105005555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080685.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 56105005555 in words is "fifty-six billion, one hundred five million, five thousand, five hundred fifty-five".