45555545904 has 80 divisors (see below), whose sum is σ = 128430779904. Its totient is φ = 13799660800.

The previous prime is 45555545869. The next prime is 45555545911. The reversal of 45555545904 is 40954555554.

45555545904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45555545904² (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, 1581874 + ... + 1610414.

Almost surely, 2^45555545904 is an apocalyptic number.

45555545904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45555545904 is an abundant number, since it is smaller than the sum of its proper divisors (82875234000).

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

45555545904 is a wasteful number, since it uses less digits than its factorization.

45555545904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31586 (or 31580 counting only the distinct ones).

The product of its (nonzero) digits is 9000000, while the sum is 51.

The spelling of 45555545904 in words is "forty-five billion, five hundred fifty-five million, five hundred forty-five thousand, nine hundred four".