51836736 has 56 divisors (see below), whose sum is σ = 156748480. Its totient is φ = 14810112.

The previous prime is 51836713. The next prime is 51836753. The reversal of 51836736 is 63763815.

51836736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 51836694 and 51836703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17941 + ... + 20628.

It is an arithmetic number, because the mean of its divisors is an integer number (2799080).

Almost surely, 2^51836736 is an apocalyptic number.

51836736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51836736 is an abundant number, since it is smaller than the sum of its proper divisors (104911744).

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

51836736 is a wasteful number, since it uses less digits than its factorization.

51836736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38591 (or 38581 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 51836736 is about 7199.7733297653. The cubic root of 51836736 is about 372.8600749276.

The spelling of 51836736 in words is "fifty-one million, eight hundred thirty-six thousand, seven hundred thirty-six".