52991852 has 12 divisors (see below), whose sum is σ = 93636816. Its totient is φ = 26238480.

The previous prime is 52991849. The next prime is 52991863. The reversal of 52991852 is 25819925.

52991852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 63899 + ... + 64722.

It is an arithmetic number, because the mean of its divisors is an integer number (7803068).

Almost surely, 2^52991852 is an apocalyptic number.

It is an amenable number.

52991852 is a deficient number, since it is larger than the sum of its proper divisors (40644964).

52991852 is a wasteful number, since it uses less digits than its factorization.

52991852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128728 (or 128726 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 52991852 is about 7279.5502608334. The cubic root of 52991852 is about 375.6093252429.

The spelling of 52991852 in words is "fifty-two million, nine hundred ninety-one thousand, eight hundred fifty-two".