51895116 has 216 divisors, whose sum is σ = 171959424. Its totient is φ = 13063680.

The previous prime is 51895093. The next prime is 51895141. The reversal of 51895116 is 61159815.

It is a Cunningham number, because it is equal to 373³-1.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 710856 + ... + 710928.

Almost surely, 2^51895116 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 51895116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85979712).

51895116 is an abundant number, since it is smaller than the sum of its proper divisors (120064308).

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

51895116 is a wasteful number, since it uses less digits than its factorization.

51895116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 129 counting only the distinct ones).

The product of its digits is 10800, while the sum is 36.

The square root of 51895116 is about 7203.8264831963. The cubic root of 51895116 is about 372.9999976041. Note that the first 5 decimals are identical.

The spelling of 51895116 in words is "fifty-one million, eight hundred ninety-five thousand, one hundred sixteen".