52535280 has 80 divisors (see below), whose sum is σ = 186130944. Its totient is φ = 12007680.

The previous prime is 52535279. The next prime is 52535317. The reversal of 52535280 is 8253525.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13956 + ... + 17315.

Almost surely, 2^52535280 is an apocalyptic number.

It is an amenable number.

52535280 is an abundant number, since it is smaller than the sum of its proper divisors (133595664).

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

52535280 is a wasteful number, since it uses less digits than its factorization.

52535280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31294 (or 31288 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 52535280 is about 7248.1225155208. The cubic root of 52535280 is about 374.5274759506.

The spelling of 52535280 in words is "fifty-two million, five hundred thirty-five thousand, two hundred eighty".