52631668 has 12 divisors (see below), whose sum is σ = 92156260. Its totient is φ = 26301312.

The previous prime is 52631647. The next prime is 52631669. The reversal of 52631668 is 86613625.

It can be written as a sum of positive squares in 2 ways, for example, as 4717584 + 47914084 = 2172^2 + 6922^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52631669) by changing a digit.

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, 11980 + ... + 15772.

Almost surely, 2^52631668 is an apocalyptic number.

It is an amenable number.

52631668 is a deficient number, since it is larger than the sum of its proper divisors (39524592).

52631668 is a wasteful number, since it uses less digits than its factorization.

52631668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266 (or 7264 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 52631668 is about 7254.7686386266. The cubic root of 52631668 is about 374.7563881467.

The spelling of 52631668 in words is "fifty-two million, six hundred thirty-one thousand, six hundred sixty-eight".