52868560319986 has 4 divisors (see below), whose sum is σ = 79302840479982. Its totient is φ = 26434280159992.

The previous prime is 52868560319917. The next prime is 52868560320001. The reversal of 52868560319986 is 68991306586825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49420464140961 + 3448096179025 = 7029969^2 + 1856905^2 .

It is a super-2 number, since 2×52868560319986² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13217140079995 + ... + 13217140079998.

Almost surely, 2^{52868560319986} is an apocalyptic number.

52868560319986 is a deficient number, since it is larger than the sum of its proper divisors (26434280159996).

52868560319986 is a wasteful number, since it uses less digits than its factorization.

52868560319986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26434280159995.

The product of its (nonzero) digits is 1343692800, while the sum is 76.

The spelling of 52868560319986 in words is "fifty-two trillion, eight hundred sixty-eight billion, five hundred sixty million, three hundred nineteen thousand, nine hundred eighty-six".