45550054990 has 64 divisors (see below), whose sum is σ = 89870860800. Its totient is φ = 16484768640.

The previous prime is 45550054987. The next prime is 45550055021. The reversal of 45550054990 is 9945005554.

It is a self number, because there is not a number n which added to its sum of digits gives 45550054990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32558311 + ... + 32559709.

It is an arithmetic number, because the mean of its divisors is an integer number (1404232200).

Almost surely, 2^45550054990 is an apocalyptic number.

45550054990 is a deficient number, since it is larger than the sum of its proper divisors (44320805810).

45550054990 is a wasteful number, since it uses less digits than its factorization.

45550054990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 45550054990 in words is "forty-five billion, five hundred fifty million, fifty-four thousand, nine hundred ninety".