51161308 has 24 divisors (see below), whose sum is σ = 98179200. Its totient is φ = 23134320.

The previous prime is 51161293. The next prime is 51161311. The reversal of 51161308 is 80316115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5835 + ... + 11677.

It is an arithmetic number, because the mean of its divisors is an integer number (4090800).

Almost surely, 2^51161308 is an apocalyptic number.

It is an amenable number.

51161308 is a deficient number, since it is larger than the sum of its proper divisors (47017892).

51161308 is a wasteful number, since it uses less digits than its factorization.

51161308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057 (or 6055 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 51161308 is about 7152.7133313170. The cubic root of 51161308 is about 371.2335454319.

The spelling of 51161308 in words is "fifty-one million, one hundred sixty-one thousand, three hundred eight".