52502820 has 48 divisors (see below), whose sum is σ = 147365568. Its totient is φ = 13966720.

The previous prime is 52502819. The next prime is 52502831. The reversal of 52502820 is 2820525.

It is a super-2 number, since 2×52502820² = 5513092215904800, which contains 22 as substring.

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, 32635 + ... + 34205.

It is an arithmetic number, because the mean of its divisors is an integer number (3070116).

Almost surely, 2^52502820 is an apocalyptic number.

It is an amenable number.

52502820 is an abundant number, since it is smaller than the sum of its proper divisors (94862748).

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

52502820 is a wasteful number, since it uses less digits than its factorization.

52502820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 52502820 is about 7245.8829689693. The cubic root of 52502820 is about 374.4503235647.

The spelling of 52502820 in words is "fifty-two million, five hundred two thousand, eight hundred twenty".