51315160 has 48 divisors (see below), whose sum is σ = 125040240. Its totient is φ = 18944640.

The previous prime is 51315157. The next prime is 51315203. The reversal of 51315160 is 6151315.

51315160 is nontrivially palindromic in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2965 + ... + 10555.

It is an arithmetic number, because the mean of its divisors is an integer number (2605005).

Almost surely, 2^51315160 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 51315160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62520120).

51315160 is an abundant number, since it is smaller than the sum of its proper divisors (73725080).

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

51315160 is a wasteful number, since it uses less digits than its factorization.

51315160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628 (or 7611 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 51315160 is about 7163.4600578212. The cubic root of 51315160 is about 371.6052968532.

Adding to 51315160 its reverse (6151315), we get a palindrome (57466475).

The spelling of 51315160 in words is "fifty-one million, three hundred fifteen thousand, one hundred sixty".