51195260 has 48 divisors (see below), whose sum is σ = 112637952. Its totient is φ = 19521600.

The previous prime is 51195259. The next prime is 51195293. The reversal of 51195260 is 6259115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43439 + ... + 44601.

It is an arithmetic number, because the mean of its divisors is an integer number (2346624).

Almost surely, 2^51195260 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 51195260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56318976).

51195260 is an abundant number, since it is smaller than the sum of its proper divisors (61442692).

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

51195260 is a wasteful number, since it uses less digits than its factorization.

51195260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 51195260 is about 7155.0863027639. The cubic root of 51195260 is about 371.3156474130.

The spelling of 51195260 in words is "fifty-one million, one hundred ninety-five thousand, two hundred sixty".