53507264 has 28 divisors (see below), whose sum is σ = 107222544. Its totient is φ = 26490624.

The previous prime is 53507257. The next prime is 53507281. The reversal of 53507264 is 46270535.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 53507264.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534 + ... + 10650.

Almost surely, 2^53507264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53507264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53611272).

53507264 is an abundant number, since it is smaller than the sum of its proper divisors (53715280).

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

53507264 is a wasteful number, since it uses less digits than its factorization.

53507264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232 (or 8222 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 53507264 is about 7314.8659591273. The cubic root of 53507264 is about 376.8231551021.

Adding to 53507264 its reverse (46270535), we get a palindrome (99777799).

The spelling of 53507264 in words is "fifty-three million, five hundred seven thousand, two hundred sixty-four".