45564477 has 16 divisors (see below), whose sum is σ = 71047680. Its totient is φ = 25430832.

The previous prime is 45564457. The next prime is 45564503. The reversal of 45564477 is 77446554.

It is not a de Polignac number, because 45564477 - 2²³ = 37175869 is a prime.

It is a super-2 number, since 2×45564477² = 4152243128567058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45564457) 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, 24327 + ... + 26132.

It is an arithmetic number, because the mean of its divisors is an integer number (4440480).

Almost surely, 2^45564477 is an apocalyptic number.

It is an amenable number.

45564477 is a deficient number, since it is larger than the sum of its proper divisors (25483203).

45564477 is a wasteful number, since it uses less digits than its factorization.

45564477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50512.

The product of its digits is 470400, while the sum is 42.

The square root of 45564477 is about 6750.1464428559. The cubic root of 45564477 is about 357.1704025307.

The spelling of 45564477 in words is "forty-five million, five hundred sixty-four thousand, four hundred seventy-seven".