45579989 has 16 divisors (see below), whose sum is σ = 57297408. Its totient is φ = 35292672.

The previous prime is 45579979. The next prime is 45579991. The reversal of 45579989 is 98997554.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45579989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45579949) 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, 1052 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (3581088).

Almost surely, 2^45579989 is an apocalyptic number.

It is an amenable number.

45579989 is a deficient number, since it is larger than the sum of its proper divisors (11717419).

45579989 is a wasteful number, since it uses less digits than its factorization.

45579989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10724.

The product of its digits is 4082400, while the sum is 56.

The square root of 45579989 is about 6751.2953571889. The cubic root of 45579989 is about 357.2109297062.

The spelling of 45579989 in words is "forty-five million, five hundred seventy-nine thousand, nine hundred eighty-nine".