55116775012 has 48 divisors (see below), whose sum is σ = 110659191552. Its totient is φ = 23795182080.

The previous prime is 55116775009. The next prime is 55116775033. The reversal of 55116775012 is 21057761155.

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, 47164 + ... + 335347.

It is an arithmetic number, because the mean of its divisors is an integer number (2305399824).

Almost surely, 2^55116775012 is an apocalyptic number.

55116775012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55116775012 is an abundant number, since it is smaller than the sum of its proper divisors (55542416540).

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

55116775012 is a wasteful number, since it uses less digits than its factorization.

55116775012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382708 (or 382706 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 40.

The spelling of 55116775012 in words is "fifty-five billion, one hundred sixteen million, seven hundred seventy-five thousand, twelve".