51352168 has 16 divisors (see below), whose sum is σ = 110040480. Its totient is φ = 22008048.

The previous prime is 51352163. The next prime is 51352181. The reversal of 51352168 is 86125315.

It is not an unprimeable number, because it can be changed into a prime (51352163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458446 + ... + 458557.

It is an arithmetic number, because the mean of its divisors is an integer number (6877530).

Almost surely, 2^51352168 is an apocalyptic number.

It is an amenable number.

51352168 is an abundant number, since it is smaller than the sum of its proper divisors (58688312).

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

51352168 is a wasteful number, since it uses less digits than its factorization.

51352168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917016 (or 917012 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 51352168 is about 7166.0427015194. The cubic root of 51352168 is about 371.6946081089.

The spelling of 51352168 in words is "fifty-one million, three hundred fifty-two thousand, one hundred sixty-eight".