51170285 has 16 divisors (see below), whose sum is σ = 64281600. Its totient is φ = 39029760.

The previous prime is 51170267. The next prime is 51170293. The reversal of 51170285 is 58207115.

It is not a de Polignac number, because 51170285 - 2²⁴ = 34393069 is a prime.

It is a congruent number.

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, 51140 + ... + 52130.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^51170285 is an apocalyptic number.

It is an amenable number.

51170285 is a deficient number, since it is larger than the sum of its proper divisors (13111315).

51170285 is a wasteful number, since it uses less digits than its factorization.

51170285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 51170285 is about 7153.3408278929. The cubic root of 51170285 is about 371.2552569477.

The spelling of 51170285 in words is "fifty-one million, one hundred seventy thousand, two hundred eighty-five".