52544664 has 24 divisors (see below), whose sum is σ = 142308660. Its totient is φ = 17514864.

The previous prime is 52544663. The next prime is 52544669. The reversal of 52544664 is 46644525.

52544664 is a `hidden beast` number, since 52 + 544 + 6 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52544663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364822 + ... + 364965.

Almost surely, 2^52544664 is an apocalyptic number.

It is an amenable number.

52544664 is an abundant number, since it is smaller than the sum of its proper divisors (89763996).

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

52544664 is a wasteful number, since it uses less digits than its factorization.

52544664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729799 (or 729792 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 52544664 is about 7248.7698266671. The cubic root of 52544664 is about 374.5497743413.

The spelling of 52544664 in words is "fifty-two million, five hundred forty-four thousand, six hundred sixty-four".