51836838 has 16 divisors (see below), whose sum is σ = 104062320. Its totient is φ = 17214176.

The previous prime is 51836821. The next prime is 51836843. The reversal of 51836838 is 83863815.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51836838.

It is a congruent number.

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, 14445 + ... + 17672.

It is an arithmetic number, because the mean of its divisors is an integer number (6503895).

Almost surely, 2^51836838 is an apocalyptic number.

51836838 is an abundant number, since it is smaller than the sum of its proper divisors (52225482).

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

51836838 is a wasteful number, since it uses less digits than its factorization.

51836838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32391.

The product of its digits is 138240, while the sum is 42.

The square root of 51836838 is about 7199.7804133182. The cubic root of 51836838 is about 372.8603194884.

It can be divided in two parts, 5183 and 6838, that added together give a palindrome (12021).

The spelling of 51836838 in words is "fifty-one million, eight hundred thirty-six thousand, eight hundred thirty-eight".