51017196 has 24 divisors (see below), whose sum is σ = 122881024. Its totient is φ = 16457040.

The previous prime is 51017189. The next prime is 51017233. The reversal of 51017196 is 69171015.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 68200 + ... + 68943.

Almost surely, 2^51017196 is an apocalyptic number.

It is an amenable number.

51017196 is an abundant number, since it is smaller than the sum of its proper divisors (71863828).

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

51017196 is a wasteful number, since it uses less digits than its factorization.

51017196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137181 (or 137179 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 51017196 is about 7142.6322878894. The cubic root of 51017196 is about 370.8846520850.

The spelling of 51017196 in words is "fifty-one million, seventeen thousand, one hundred ninety-six".