52818720 has 48 divisors (see below), whose sum is σ = 166380480. Its totient is φ = 14084864.

The previous prime is 52818719. The next prime is 52818737. The reversal of 52818720 is 2781825.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54540 + ... + 55499.

It is an arithmetic number, because the mean of its divisors is an integer number (3466260).

Almost surely, 2^52818720 is an apocalyptic number.

It is an amenable number.

52818720 is an abundant number, since it is smaller than the sum of its proper divisors (113561760).

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

52818720 is a wasteful number, since it uses less digits than its factorization.

52818720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110057 (or 110049 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 52818720 is about 7267.6488632845. The cubic root of 52818720 is about 375.1998223927.

The spelling of 52818720 in words is "fifty-two million, eight hundred eighteen thousand, seven hundred twenty".