45553272 has 16 divisors (see below), whose sum is σ = 113883240. Its totient is φ = 15184416.

The previous prime is 45553259. The next prime is 45553273. The reversal of 45553272 is 27235554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45553273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949003 + ... + 949050.

Almost surely, 2^45553272 is an apocalyptic number.

It is an amenable number.

45553272 is an abundant number, since it is smaller than the sum of its proper divisors (68329968).

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

45553272 is a wasteful number, since it uses less digits than its factorization.

45553272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898062 (or 1898058 counting only the distinct ones).

The product of its digits is 42000, while the sum is 33.

The square root of 45553272 is about 6749.3164098300. The cubic root of 45553272 is about 357.1411222468.

The spelling of 45553272 in words is "forty-five million, five hundred fifty-three thousand, two hundred seventy-two".