55055549994 has 32 divisors (see below), whose sum is σ = 116791234560. Its totient is φ = 17253241200.

The previous prime is 55055549987. The next prime is 55055550019. The reversal of 55055549994 is 49994555055.

It is a super-2 number, since 2×55055549994² (a number of 22 digits) contains 22 as substring.

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, 1828362 + ... + 1858229.

It is an arithmetic number, because the mean of its divisors is an integer number (3649726080).

Almost surely, 2^55055549994 is an apocalyptic number.

55055549994 is an abundant number, since it is smaller than the sum of its proper divisors (61735684566).

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

55055549994 is a wasteful number, since it uses less digits than its factorization.

55055549994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686746.

The product of its (nonzero) digits is 36450000, while the sum is 60.

The spelling of 55055549994 in words is "fifty-five billion, fifty-five million, five hundred forty-nine thousand, nine hundred ninety-four".