53531296 has 96 divisors (see below), whose sum is σ = 134120448. Its totient is φ = 20459520.

The previous prime is 53531273. The next prime is 53531297. The reversal of 53531296 is 69213535.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53531297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89976 + ... + 90568.

It is an arithmetic number, because the mean of its divisors is an integer number (1397088).

Almost surely, 2^53531296 is an apocalyptic number.

53531296 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53531296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67060224).

53531296 is an abundant number, since it is smaller than the sum of its proper divisors (80589152).

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

53531296 is a wasteful number, since it uses less digits than its factorization.

53531296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 646 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 53531296 is about 7316.5084569076. The cubic root of 53531296 is about 376.8795615160.

The spelling of 53531296 in words is "fifty-three million, five hundred thirty-one thousand, two hundred ninety-six".