51028360 has 16 divisors (see below), whose sum is σ = 114813900. Its totient is φ = 20411328.

The previous prime is 51028309. The next prime is 51028361. The reversal of 51028360 is 6382015.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48972004 + 2056356 = 6998^2 + 1434^2 .

It is not an unprimeable number, because it can be changed into a prime (51028361) 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, 637815 + ... + 637894.

Almost surely, 2^51028360 is an apocalyptic number.

It is an amenable number.

51028360 is an abundant number, since it is smaller than the sum of its proper divisors (63785540).

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

51028360 is a wasteful number, since it uses less digits than its factorization.

51028360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275720 (or 1275716 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51028360 is about 7143.4137497418. The cubic root of 51028360 is about 370.9117034494.

The spelling of 51028360 in words is "fifty-one million, twenty-eight thousand, three hundred sixty".