52617860 has 24 divisors (see below), whose sum is σ = 111245400. Its totient is φ = 20904704.

The previous prime is 52617857. The next prime is 52617899. The reversal of 52617860 is 6871625.

It can be written as a sum of positive squares in 4 ways, for example, as 662596 + 51955264 = 814^2 + 7208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52617860.

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, 5849 + ... + 11808.

It is an arithmetic number, because the mean of its divisors is an integer number (4635225).

Almost surely, 2^52617860 is an apocalyptic number.

It is an amenable number.

52617860 is an abundant number, since it is smaller than the sum of its proper divisors (58627540).

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

52617860 is a wasteful number, since it uses less digits than its factorization.

52617860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17815 (or 17813 counting only the distinct ones).

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

The square root of 52617860 is about 7253.8169262809. The cubic root of 52617860 is about 374.7236126397.

The spelling of 52617860 in words is "fifty-two million, six hundred seventeen thousand, eight hundred sixty".