45855997 has 16 divisors (see below), whose sum is σ = 52508160. Its totient is φ = 39639600.

The previous prime is 45855991. The next prime is 45856001. The reversal of 45855997 is 79955854.

It is not a de Polignac number, because 45855997 - 2⁷ = 45855869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45855991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52954 + ... + 53812.

It is an arithmetic number, because the mean of its divisors is an integer number (3281760).

Almost surely, 2^45855997 is an apocalyptic number.

It is an amenable number.

45855997 is a deficient number, since it is larger than the sum of its proper divisors (6652163).

45855997 is a wasteful number, since it uses less digits than its factorization.

45855997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104.

The product of its digits is 2268000, while the sum is 52.

The square root of 45855997 is about 6771.7056197091. The cubic root of 45855997 is about 357.9305052210.

The spelling of 45855997 in words is "forty-five million, eight hundred fifty-five thousand, nine hundred ninety-seven".