45564487 has 4 divisors (see below), whose sum is σ = 45738000. Its totient is φ = 45390976.

The previous prime is 45564457. The next prime is 45564503. The reversal of 45564487 is 78446554.

45564487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45564487 is a prime.

It is a super-2 number, since 2×45564487² = 4152244951146338, which contains 22 as substring.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86362 + ... + 86887.

It is an arithmetic number, because the mean of its divisors is an integer number (11434500).

Almost surely, 2^45564487 is an apocalyptic number.

45564487 is a deficient number, since it is larger than the sum of its proper divisors (173513).

45564487 is a wasteful number, since it uses less digits than its factorization.

45564487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173512.

The product of its digits is 537600, while the sum is 43.

The square root of 45564487 is about 6750.1471835805. The cubic root of 45564487 is about 357.1704286600.

The spelling of 45564487 in words is "forty-five million, five hundred sixty-four thousand, four hundred eighty-seven".