45553992 has 32 divisors (see below), whose sum is σ = 124238880. Its totient is φ = 13804160.

The previous prime is 45553987. The next prime is 45554009. The reversal of 45553992 is 29935554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86013 + ... + 86540.

It is an arithmetic number, because the mean of its divisors is an integer number (3882465).

Almost surely, 2^45553992 is an apocalyptic number.

It is an amenable number.

45553992 is an abundant number, since it is smaller than the sum of its proper divisors (78684888).

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

45553992 is a wasteful number, since it uses less digits than its factorization.

45553992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172573 (or 172569 counting only the distinct ones).

The product of its digits is 243000, while the sum is 42.

The square root of 45553992 is about 6749.3697483543. The cubic root of 45553992 is about 357.1430038552.

The spelling of 45553992 in words is "forty-five million, five hundred fifty-three thousand, nine hundred ninety-two".