53111264 has 36 divisors (see below), whose sum is σ = 111094704. Its totient is φ = 24989184.

The previous prime is 53111257. The next prime is 53111287. The reversal of 53111264 is 46211135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6377 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (3085964).

Almost surely, 2^53111264 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 53111264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55547352).

53111264 is an abundant number, since it is smaller than the sum of its proper divisors (57983440).

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

53111264 is a wasteful number, since it uses less digits than its factorization.

53111264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787 (or 5762 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 53111264 is about 7287.7475258134. The cubic root of 53111264 is about 375.8912466522.

Adding to 53111264 its reverse (46211135), we get a palindrome (99322399).

The spelling of 53111264 in words is "fifty-three million, one hundred eleven thousand, two hundred sixty-four".