52502500 has 30 divisors (see below), whose sum is σ = 114817934. Its totient is φ = 21000000.

The previous prime is 52502467. The next prime is 52502521. The reversal of 52502500 is 520525.

52502500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 28472896 + 24029604 = 5336^2 + 4902^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8001 + ... + 13000.

Almost surely, 2^52502500 is an apocalyptic number.

52502500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52502500 is an abundant number, since it is smaller than the sum of its proper divisors (62315434).

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

52502500 is a wasteful number, since it uses less digits than its factorization.

52502500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21025 (or 21008 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 52502500 is about 7245.8608874308. The cubic root of 52502500 is about 374.4495628161.

It can be divided in two parts, 5250 and 2500, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 52502500 in words is "fifty-two million, five hundred two thousand, five hundred".