51885336 has 64 divisors (see below), whose sum is σ = 135031680. Its totient is φ = 16600320.

The previous prime is 51885313. The next prime is 51885373. The reversal of 51885336 is 63358815.

51885336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (86400) is a multiple of the sum of its prime divisors (900).

It is a junction number, because it is equal to n+sod(n) for n = 51885294 and 51885303.

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 15 ways as a sum of consecutive naturals, for example, 65535 + ... + 66321.

It is an arithmetic number, because the mean of its divisors is an integer number (2109870).

Almost surely, 2^51885336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51885336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67515840).

51885336 is an abundant number, since it is smaller than the sum of its proper divisors (83146344).

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

51885336 is a wasteful number, since it uses less digits than its factorization.

51885336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 900 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 51885336 is about 7203.1476453006. The cubic root of 51885336 is about 372.9765646401.

The spelling of 51885336 in words is "fifty-one million, eight hundred eighty-five thousand, three hundred thirty-six".