53124564 has 12 divisors (see below), whose sum is σ = 123957344. Its totient is φ = 17708184.

The previous prime is 53124557. The next prime is 53124569. The reversal of 53124564 is 46542135.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53124569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213512 + ... + 2213535.

Almost surely, 2^53124564 is an apocalyptic number.

It is an amenable number.

53124564 is an abundant number, since it is smaller than the sum of its proper divisors (70832780).

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

53124564 is a wasteful number, since it uses less digits than its factorization.

53124564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427054 (or 4427052 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 53124564 is about 7288.6599591420. The cubic root of 53124564 is about 375.9226206393.

Adding to 53124564 its reverse (46542135), we get a palindrome (99666699).

The spelling of 53124564 in words is "fifty-three million, one hundred twenty-four thousand, five hundred sixty-four".