52218960 has 40 divisors (see below), whose sum is σ = 161879520. Its totient is φ = 13924992.

The previous prime is 52218923. The next prime is 52218977. The reversal of 52218960 is 6981225.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108550 + ... + 109029.

It is an arithmetic number, because the mean of its divisors is an integer number (4046988).

Almost surely, 2^52218960 is an apocalyptic number.

It is an amenable number.

52218960 is an abundant number, since it is smaller than the sum of its proper divisors (109660560).

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

52218960 is a wasteful number, since it uses less digits than its factorization.

52218960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217595 (or 217589 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 52218960 is about 7226.2687467323. The cubic root of 52218960 is about 373.7742735062.

The spelling of 52218960 in words is "fifty-two million, two hundred eighteen thousand, nine hundred sixty".