45557928 has 48 divisors (see below), whose sum is σ = 132880020. Its totient is φ = 14017536.

The previous prime is 45557921. The next prime is 45557933. The reversal of 45557928 is 82975554.

45557928 is a `hidden beast` number, since 4 + 5 + 557 + 92 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34786404 + 10771524 = 5898^2 + 3282^2 .

It is not an unprimeable number, because it can be changed into a prime (45557921) 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, 23401 + ... + 25272.

Almost surely, 2^45557928 is an apocalyptic number.

It is an amenable number.

45557928 is an abundant number, since it is smaller than the sum of its proper divisors (87322092).

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

45557928 is a wasteful number, since it uses less digits than its factorization.

45557928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48698 (or 48691 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 45557928 is about 6749.6613248370. The cubic root of 45557928 is about 357.1532896305.

The spelling of 45557928 in words is "forty-five million, five hundred fifty-seven thousand, nine hundred twenty-eight".