51836868 has 24 divisors (see below), whose sum is σ = 134392160. Its totient is φ = 17278920.

The previous prime is 51836857. The next prime is 51836923. The reversal of 51836868 is 86863815.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239878 + ... + 240093.

Almost surely, 2^51836868 is an apocalyptic number.

It is an amenable number.

51836868 is an abundant number, since it is smaller than the sum of its proper divisors (82555292).

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

51836868 is a wasteful number, since it uses less digits than its factorization.

51836868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479984 (or 479976 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 51836868 is about 7199.7824967147. The cubic root of 51836868 is about 372.8603914180.

The spelling of 51836868 in words is "fifty-one million, eight hundred thirty-six thousand, eight hundred sixty-eight".