51255344 has 40 divisors (see below), whose sum is σ = 115067040. Its totient is φ = 21662208.

The previous prime is 51255301. The next prime is 51255359. The reversal of 51255344 is 44355215.

It is a super-2 number, since 2×51255344² = 5254220577116672, which contains 22 as substring.

It is a zygodrome in base 2.

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, 5042 + ... + 11310.

It is an arithmetic number, because the mean of its divisors is an integer number (2876676).

Almost surely, 2^51255344 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 51255344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57533520).

51255344 is an abundant number, since it is smaller than the sum of its proper divisors (63811696).

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

51255344 is a wasteful number, since it uses less digits than its factorization.

51255344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357 (or 6351 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 51255344 is about 7159.2837630590. The cubic root of 51255344 is about 371.4608523085.

The spelling of 51255344 in words is "fifty-one million, two hundred fifty-five thousand, three hundred forty-four".