52661880 has 64 divisors (see below), whose sum is σ = 175543200. Its totient is φ = 14042880.

The previous prime is 52661867. The next prime is 52661897. The reversal of 52661880 is 8816625.

It is a happy number.

52661880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 23301 + ... + 25460.

Almost surely, 2^52661880 is an apocalyptic number.

It is an amenable number.

52661880 is an abundant number, since it is smaller than the sum of its proper divisors (122881320).

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

52661880 is a wasteful number, since it uses less digits than its factorization.

52661880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48781 (or 48771 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 52661880 is about 7256.8505565431. The cubic root of 52661880 is about 374.8280811958.

The spelling of 52661880 in words is "fifty-two million, six hundred sixty-one thousand, eight hundred eighty".