52502720 has 28 divisors (see below), whose sum is σ = 125022864. Its totient is φ = 21000960.

The previous prime is 52502707. The next prime is 52502753. The reversal of 52502720 is 2720525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81716 + ... + 82355.

Almost surely, 2^52502720 is an apocalyptic number.

It is an amenable number.

52502720 is an abundant number, since it is smaller than the sum of its proper divisors (72520144).

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

52502720 is a wasteful number, since it uses less digits than its factorization.

52502720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164088 (or 164078 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 52502720 is about 7245.8760684958. The cubic root of 52502720 is about 374.4500858311.

The spelling of 52502720 in words is "fifty-two million, five hundred two thousand, seven hundred twenty".