51409160 has 64 divisors (see below), whose sum is σ = 130291200. Its totient is φ = 18086400.

The previous prime is 51409133. The next prime is 51409177. The reversal of 51409160 is 6190415.

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, 11756 + ... + 15524.

It is an arithmetic number, because the mean of its divisors is an integer number (2035800).

Almost surely, 2^51409160 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 51409160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65145600).

51409160 is an abundant number, since it is smaller than the sum of its proper divisors (78882040).

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

51409160 is a wasteful number, since it uses less digits than its factorization.

51409160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822 (or 3818 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 51409160 is about 7170.0181310789. The cubic root of 51409160 is about 371.8320627873.

Adding to 51409160 its reverse (6190415), we get a palindrome (57599575).

The spelling of 51409160 in words is "fifty-one million, four hundred nine thousand, one hundred sixty".