47916564 has 24 divisors (see below), whose sum is σ = 113154720. Its totient is φ = 15779424.

The previous prime is 47916529. The next prime is 47916569. The reversal of 47916564 is 46561974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47916569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23059 + ... + 25050.

It is an arithmetic number, because the mean of its divisors is an integer number (4714780).

Almost surely, 2^47916564 is an apocalyptic number.

It is an amenable number.

47916564 is an abundant number, since it is smaller than the sum of its proper divisors (65238156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47916564 is a wasteful number, since it uses less digits than its factorization.

47916564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48199 (or 48197 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 47916564 is about 6922.1791366592. The cubic root of 47916564 is about 363.2134224470.

The spelling of 47916564 in words is "forty-seven million, nine hundred sixteen thousand, five hundred sixty-four".