56556718022 has 32 divisors (see below), whose sum is σ = 104841796608. Its totient is φ = 22327410816.

The previous prime is 56556717991. The next prime is 56556718121. The reversal of 56556718022 is 22081765565.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2516828 + ... + 2539199.

It is an arithmetic number, because the mean of its divisors is an integer number (3276306144).

Almost surely, 2^56556718022 is an apocalyptic number.

56556718022 is a deficient number, since it is larger than the sum of its proper divisors (48285078586).

56556718022 is a wasteful number, since it uses less digits than its factorization.

56556718022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056100.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 56556718022 in words is "fifty-six billion, five hundred fifty-six million, seven hundred eighteen thousand, twenty-two".