45991056 has 40 divisors (see below), whose sum is σ = 119235424. Its totient is φ = 15275520.

The previous prime is 45991021. The next prime is 45991063. The reversal of 45991056 is 65019954.

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, 13176 + ... + 16296.

Almost surely, 2^45991056 is an apocalyptic number.

It is an amenable number.

45991056 is an abundant number, since it is smaller than the sum of its proper divisors (73244368).

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

45991056 is a wasteful number, since it uses less digits than its factorization.

45991056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439 (or 3433 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 45991056 is about 6781.6705906436. The cubic root of 45991056 is about 358.2815632919.

The spelling of 45991056 in words is "forty-five million, nine hundred ninety-one thousand, fifty-six".