52718660 has 12 divisors (see below), whose sum is σ = 110709228. Its totient is φ = 21087456.

The previous prime is 52718651. The next prime is 52718671. The reversal of 52718660 is 6681725.

It can be written as a sum of positive squares in 2 ways, for example, as 30118144 + 22600516 = 5488^2 + 4754^2 .

It is a super-2 number, since 2×52718660² = 5558514224391200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52718660.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317947 + ... + 1317986.

It is an arithmetic number, because the mean of its divisors is an integer number (9225769).

Almost surely, 2^52718660 is an apocalyptic number.

It is an amenable number.

52718660 is an abundant number, since it is smaller than the sum of its proper divisors (57990568).

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

52718660 is a wasteful number, since it uses less digits than its factorization.

52718660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635942 (or 2635940 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 52718660 is about 7260.7616680346. The cubic root of 52718660 is about 374.9627459288.

It can be divided in two parts, 5271 and 8660, that added together give a palindrome (13931).

The spelling of 52718660 in words is "fifty-two million, seven hundred eighteen thousand, six hundred sixty".