51255160 has 64 divisors (see below), whose sum is σ = 132451200. Its totient is φ = 17654400.

The previous prime is 51255143. The next prime is 51255161. The reversal of 51255160 is 6155215.

51255160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51255161) by changing a digit.

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, 5295 + ... + 11425.

It is an arithmetic number, because the mean of its divisors is an integer number (2069550).

Almost surely, 2^51255160 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 51255160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66225600).

51255160 is an abundant number, since it is smaller than the sum of its proper divisors (81196040).

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

51255160 is a wasteful number, since it uses less digits than its factorization.

51255160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172 (or 6168 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 51255160 is about 7159.2709126000. The cubic root of 51255160 is about 371.4604078093.

It can be divided in two parts, 51255 and 160, that added together give a palindrome (51415).

The spelling of 51255160 in words is "fifty-one million, two hundred fifty-five thousand, one hundred sixty".