52117568 has 14 divisors (see below), whose sum is σ = 103420926. Its totient is φ = 26058752.

The previous prime is 52117567. The next prime is 52117577. The reversal of 52117568 is 86571125.

It can be written as a sum of positive squares in only one way, i.e., 48553024 + 3564544 = 6968^2 + 1888^2 .

It is not an unprimeable number, because it can be changed into a prime (52117561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407105 + ... + 407232.

It is an arithmetic number, because the mean of its divisors is an integer number (7387209).

Almost surely, 2^52117568 is an apocalyptic number.

It is an amenable number.

52117568 is a deficient number, since it is larger than the sum of its proper divisors (51303358).

52117568 is an equidigital number, since it uses as much as digits as its factorization.

52117568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814349 (or 814339 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 52117568 is about 7219.2498225231. The cubic root of 52117568 is about 373.5322013040.

The spelling of 52117568 in words is "fifty-two million, one hundred seventeen thousand, five hundred sixty-eight".