53163264 has 288 divisors, whose sum is σ = 188375040. Its totient is φ = 12902400.

The previous prime is 53163247. The next prime is 53163283. The reversal of 53163264 is 46236135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1714929 + ... + 1714959.

It is an arithmetic number, because the mean of its divisors is an integer number (654080).

Almost surely, 2^53163264 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 53163264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94187520).

53163264 is an abundant number, since it is smaller than the sum of its proper divisors (135211776).

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

53163264 is a wasteful number, since it uses less digits than its factorization.

53163264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 83 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 53163264 is about 7291.3142848186. The cubic root of 53163264 is about 376.0138820889.

Adding to 53163264 its reverse (46236135), we get a palindrome (99399399).

The spelling of 53163264 in words is "fifty-three million, one hundred sixty-three thousand, two hundred sixty-four".