53055232 has 72 divisors (see below), whose sum is σ = 114349536. Its totient is φ = 24477696.

The previous prime is 53055221. The next prime is 53055257. The reversal of 53055232 is 23255035.

It is a junction number, because it is equal to n+sod(n) for n = 53055197 and 53055206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317613 + ... + 317779.

It is an arithmetic number, because the mean of its divisors is an integer number (1588188).

Almost surely, 2^53055232 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 53055232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57174768).

53055232 is an abundant number, since it is smaller than the sum of its proper divisors (61294304).

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

53055232 is a wasteful number, since it uses less digits than its factorization.

53055232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 53055232 is about 7283.9022508543. The cubic root of 53055232 is about 375.7590126223.

The spelling of 53055232 in words is "fifty-three million, fifty-five thousand, two hundred thirty-two".