52317660 has 48 divisors (see below), whose sum is σ = 148982400. Its totient is φ = 13713984.

The previous prime is 52317647. The next prime is 52317689. The reversal of 52317660 is 6671325.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 3850 + ... + 10929.

It is an arithmetic number, because the mean of its divisors is an integer number (3103800).

Almost surely, 2^52317660 is an apocalyptic number.

It is an amenable number.

52317660 is an abundant number, since it is smaller than the sum of its proper divisors (96664740).

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

52317660 is a wasteful number, since it uses less digits than its factorization.

52317660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14850 (or 14848 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 52317660 is about 7233.0947733318. The cubic root of 52317660 is about 374.0096177953.

Adding to 52317660 its reverse (6671325), we get a palindrome (58988985).

The spelling of 52317660 in words is "fifty-two million, three hundred seventeen thousand, six hundred sixty".