51333884 has 48 divisors (see below), whose sum is σ = 108595200. Its totient is φ = 20756736.

The previous prime is 51333881. The next prime is 51333901. The reversal of 51333884 is 48833315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50372 + ... + 51380.

It is an arithmetic number, because the mean of its divisors is an integer number (2262400).

Almost surely, 2^51333884 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 51333884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54297600).

51333884 is an abundant number, since it is smaller than the sum of its proper divisors (57261316).

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

51333884 is a wasteful number, since it uses less digits than its factorization.

51333884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1120 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 51333884 is about 7164.7668489631. The cubic root of 51333884 is about 371.6504887710.

The spelling of 51333884 in words is "fifty-one million, three hundred thirty-three thousand, eight hundred eighty-four".