52617680 has 30 divisors (see below), whose sum is σ = 122487138. Its totient is φ = 21021120.

The previous prime is 52617647. The next prime is 52617701. The reversal of 52617680 is 8671625.

It can be written as a sum of positive squares in only one way, i.e., 42094144 + 10523536 = 6488^2 + 3244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52617680.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64475 + ... + 65285.

Almost surely, 2^52617680 is an apocalyptic number.

It is an amenable number.

52617680 is an abundant number, since it is smaller than the sum of its proper divisors (69869458).

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

52617680 is an frugal number, since it uses more digits than its factorization.

52617680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635 (or 818 counting only the distinct ones).

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

The square root of 52617680 is about 7253.8045190093. The cubic root of 52617680 is about 374.7231853430.

The spelling of 52617680 in words is "fifty-two million, six hundred seventeen thousand, six hundred eighty".