55845980418 has 32 divisors (see below), whose sum is σ = 111994444800. Its totient is φ = 18564968016.

The previous prime is 55845980401. The next prime is 55845980467. The reversal of 55845980418 is 81408954855.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759563 + ... + 4771281.

It is an arithmetic number, because the mean of its divisors is an integer number (3499826400).

Almost surely, 2^55845980418 is an apocalyptic number.

55845980418 is an abundant number, since it is smaller than the sum of its proper divisors (56148464382).

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

55845980418 is a wasteful number, since it uses less digits than its factorization.

55845980418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13806.

The product of its (nonzero) digits is 9216000, while the sum is 57.

The spelling of 55845980418 in words is "fifty-five billion, eight hundred forty-five million, nine hundred eighty thousand, four hundred eighteen".