53986868 has 12 divisors (see below), whose sum is σ = 101744580. Its totient is φ = 24916992.

The previous prime is 53986853. The next prime is 53986897. The reversal of 53986868 is 86868935.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3888784 + 50098084 = 1972^2 + 7078^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519053 + ... + 519156.

It is an arithmetic number, because the mean of its divisors is an integer number (8478715).

Almost surely, 2^53986868 is an apocalyptic number.

It is an amenable number.

53986868 is a deficient number, since it is larger than the sum of its proper divisors (47757712).

53986868 is a wasteful number, since it uses less digits than its factorization.

53986868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038226 (or 1038224 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 53986868 is about 7347.5756545952. The cubic root of 53986868 is about 377.9456730711.

The spelling of 53986868 in words is "fifty-three million, nine hundred eighty-six thousand, eight hundred sixty-eight".