45688554 has 24 divisors (see below), whose sum is σ = 104815620. Its totient is φ = 14333568.

The previous prime is 45688553. The next prime is 45688561. The reversal of 45688554 is 45588654.

45688554 is a `hidden beast` number, since 4 + 568 + 85 + 5 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45360225 + 328329 = 6735^2 + 573^2 .

It is a super-2 number, since 2×45688554² = 4174887933221832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45688553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74349 + ... + 74960.

Almost surely, 2^45688554 is an apocalyptic number.

45688554 is an abundant number, since it is smaller than the sum of its proper divisors (59127066).

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

45688554 is a wasteful number, since it uses less digits than its factorization.

45688554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149334 (or 149331 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 45688554 is about 6759.3308840447. The cubic root of 45688554 is about 357.4943132419.

The spelling of 45688554 in words is "forty-five million, six hundred eighty-eight thousand, five hundred fifty-four".