45531927 has 54 divisors (see below), whose sum is σ = 81041688. Its totient is φ = 24515568.

The previous prime is 45531877. The next prime is 45531947. The reversal of 45531927 is 72913554.

It is not a de Polignac number, because 45531927 - 2⁷ = 45531799 is a prime.

Its product of digits (37800) is a multiple of the sum of its prime divisors (100).

It is a junction number, because it is equal to n+sod(n) for n = 45531891 and 45531900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45531947) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 679548 + ... + 679614.

It is an arithmetic number, because the mean of its divisors is an integer number (1500772).

Almost surely, 2^45531927 is an apocalyptic number.

45531927 is a deficient number, since it is larger than the sum of its proper divisors (35509761).

45531927 is a wasteful number, since it uses less digits than its factorization.

45531927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 100 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 45531927 is about 6747.7349533010. The cubic root of 45531927 is about 357.0853313899.

The spelling of 45531927 in words is "forty-five million, five hundred thirty-one thousand, nine hundred twenty-seven".