52031986 has 4 divisors (see below), whose sum is σ = 78047982. Its totient is φ = 26015992.

The previous prime is 52031983. The next prime is 52031989. The reversal of 52031986 is 68913025.

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

It is an interprime number because it is at equal distance from previous prime (52031983) and next prime (52031989).

It can be written as a sum of positive squares in only one way, i.e., 47955625 + 4076361 = 6925^2 + 2019^2 .

It is not an unprimeable number, because it can be changed into a prime (52031983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13007995 + ... + 13007998.

Almost surely, 2^52031986 is an apocalyptic number.

52031986 is a deficient number, since it is larger than the sum of its proper divisors (26015996).

52031986 is a wasteful number, since it uses less digits than its factorization.

52031986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26015995.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 52031986 is about 7213.3200400370. The cubic root of 52031986 is about 373.3276308298.

The spelling of 52031986 in words is "fifty-two million, thirty-one thousand, nine hundred eighty-six".