51028260 has 96 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 12853632.

The previous prime is 51028259. The next prime is 51028261. The reversal of 51028260 is 6282015.

It is an interprime number because it is at equal distance from previous prime (51028259) and next prime (51028261).

It is a self number, because there is not a number n which added to its sum of digits gives 51028260.

It is not an unprimeable number, because it can be changed into a prime (51028261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141961 + ... + 142319.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^51028260 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 51028260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75479040).

51028260 is an abundant number, since it is smaller than the sum of its proper divisors (99929820).

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

51028260 is a wasteful number, since it uses less digits than its factorization.

51028260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 51028260 is about 7143.4067502838. The cubic root of 51028260 is about 370.9114611580.

The spelling of 51028260 in words is "fifty-one million, twenty-eight thousand, two hundred sixty".