51944382 has 64 divisors (see below), whose sum is σ = 133056000. Its totient is φ = 14713920.

The previous prime is 51944377. The next prime is 51944383. The reversal of 51944382 is 28344915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51944383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48994 + ... + 50042.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^51944382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51944382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66528000).

51944382 is an abundant number, since it is smaller than the sum of its proper divisors (81111618).

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

51944382 is a wasteful number, since it uses less digits than its factorization.

51944382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1192 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 51944382 is about 7207.2451047540. The cubic root of 51944382 is about 373.1179946161.

It can be divided in two parts, 51944 and 382, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 51944382 in words is "fifty-one million, nine hundred forty-four thousand, three hundred eighty-two".