45554531 has 16 divisors (see below), whose sum is σ = 51836928. Its totient is φ = 39657600.

The previous prime is 45554521. The next prime is 45554539. The reversal of 45554531 is 13545554.

It is a cyclic number.

It is not a de Polignac number, because 45554531 - 2²² = 41360227 is a prime.

It is a super-2 number, since 2×45554531² = 4150430589259922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45554539) 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, 34475 + ... + 35771.

It is an arithmetic number, because the mean of its divisors is an integer number (3239808).

Almost surely, 2^45554531 is an apocalyptic number.

45554531 is a deficient number, since it is larger than the sum of its proper divisors (6282397).

45554531 is a wasteful number, since it uses less digits than its factorization.

45554531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its digits is 30000, while the sum is 32.

The square root of 45554531 is about 6749.4096778904. The cubic root of 45554531 is about 357.1444124351.

The spelling of 45554531 in words is "forty-five million, five hundred fifty-four thousand, five hundred thirty-one".