51159286 has 16 divisors (see below), whose sum is σ = 81100800. Its totient is φ = 24136488.

The previous prime is 51159233. The next prime is 51159319. The reversal of 51159286 is 68295115.

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, 7435 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (5068800).

Almost surely, 2^51159286 is an apocalyptic number.

51159286 is a deficient number, since it is larger than the sum of its proper divisors (29941514).

51159286 is a wasteful number, since it uses less digits than its factorization.

51159286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403.

The product of its digits is 21600, while the sum is 37.

The square root of 51159286 is about 7152.5719849576. The cubic root of 51159286 is about 371.2286547300.

The spelling of 51159286 in words is "fifty-one million, one hundred fifty-nine thousand, two hundred eighty-six".