52799986 has 8 divisors (see below), whose sum is σ = 79238700. Its totient is φ = 26387088.

The previous prime is 52799983. The next prime is 52799987. The reversal of 52799986 is 68999725.

It can be written as a sum of positive squares in 2 ways, for example, as 49491225 + 3308761 = 7035^2 + 1819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52799983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81 + ... + 10276.

Almost surely, 2^52799986 is an apocalyptic number.

52799986 is a deficient number, since it is larger than the sum of its proper divisors (26438714).

52799986 is a wasteful number, since it uses less digits than its factorization.

52799986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12908.

The product of its digits is 2449440, while the sum is 55.

The square root of 52799986 is about 7266.3598864906. The cubic root of 52799986 is about 375.1554579157.

The spelling of 52799986 in words is "fifty-two million, seven hundred ninety-nine thousand, nine hundred eighty-six".