52280832 has 80 divisors (see below), whose sum is σ = 141075792. Its totient is φ = 17203200.

The previous prime is 52280827. The next prime is 52280861. The reversal of 52280832 is 23808225.

It is a super-2 number, since 2×52280832² = 5466570789224448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52280832.

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, 154968 + ... + 155304.

Almost surely, 2^52280832 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 52280832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70537896).

52280832 is an abundant number, since it is smaller than the sum of its proper divisors (88794960).

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

52280832 is a wasteful number, since it uses less digits than its factorization.

52280832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 52280832 is about 7230.5485269100. The cubic root of 52280832 is about 373.9218382612.

The spelling of 52280832 in words is "fifty-two million, two hundred eighty thousand, eight hundred thirty-two".