52686992 has 20 divisors (see below), whose sum is σ = 102193980. Its totient is φ = 26314368.

The previous prime is 52686983. The next prime is 52687027. The reversal of 52686992 is 29968625.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19324816 + 33362176 = 4396^2 + 5776^2 .

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 3 ways as a sum of consecutive naturals, for example, 25718 + ... + 27690.

It is an arithmetic number, because the mean of its divisors is an integer number (5109699).

Almost surely, 2^52686992 is an apocalyptic number.

It is an amenable number.

52686992 is a deficient number, since it is larger than the sum of its proper divisors (49506988).

52686992 is a wasteful number, since it uses less digits than its factorization.

52686992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650 (or 3644 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 52686992 is about 7258.5805774959. The cubic root of 52686992 is about 374.8876510847.

The spelling of 52686992 in words is "fifty-two million, six hundred eighty-six thousand, nine hundred ninety-two".