53207868 has 24 divisors (see below), whose sum is σ = 141887872. Its totient is φ = 15202224.

The previous prime is 53207867. The next prime is 53207881. The reversal of 53207868 is 86870235.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53207863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316630 + ... + 316797.

Almost surely, 2^53207868 is an apocalyptic number.

It is an amenable number.

53207868 is an abundant number, since it is smaller than the sum of its proper divisors (88680004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53207868 is a wasteful number, since it uses less digits than its factorization.

53207868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633441 (or 633439 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 53207868 is about 7294.3723513404. The cubic root of 53207868 is about 376.1190112930.

The spelling of 53207868 in words is "fifty-three million, two hundred seven thousand, eight hundred sixty-eight".