52180280 has 32 divisors (see below), whose sum is σ = 121456800. Its totient is φ = 20151936.

The previous prime is 52180253. The next prime is 52180339. The reversal of 52180280 is 8208125.

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, 21332 + ... + 23651.

It is an arithmetic number, because the mean of its divisors is an integer number (3795525).

Almost surely, 2^52180280 is an apocalyptic number.

It is an amenable number.

52180280 is an abundant number, since it is smaller than the sum of its proper divisors (69276520).

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

52180280 is a wasteful number, since it uses less digits than its factorization.

52180280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45023 (or 45019 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 52180280 is about 7223.5919043091. The cubic root of 52180280 is about 373.6819624626.

The spelling of 52180280 in words is "fifty-two million, one hundred eighty thousand, two hundred eighty".