52665360 has 80 divisors (see below), whose sum is σ = 178113600. Its totient is φ = 12766720.

The previous prime is 52665341. The next prime is 52665407. The reversal of 52665360 is 6356625.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7335 + ... + 12614.

It is an arithmetic number, because the mean of its divisors is an integer number (2226420).

Almost surely, 2^52665360 is an apocalyptic number.

It is an amenable number.

52665360 is an abundant number, since it is smaller than the sum of its proper divisors (125448240).

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

52665360 is a wasteful number, since it uses less digits than its factorization.

52665360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19976 (or 19970 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 52665360 is about 7257.0903260191. The cubic root of 52665360 is about 374.8363374715.

The spelling of 52665360 in words is "fifty-two million, six hundred sixty-five thousand, three hundred sixty".