51885163 has 12 divisors (see below), whose sum is σ = 57312360. Its totient is φ = 46935680.

The previous prime is 51885161. The next prime is 51885179. The reversal of 51885163 is 36158815.

It is not a de Polignac number, because 51885163 - 2¹ = 51885161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51885161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26523 + ... + 28411.

It is an arithmetic number, because the mean of its divisors is an integer number (4776030).

Almost surely, 2^51885163 is an apocalyptic number.

51885163 is a deficient number, since it is larger than the sum of its proper divisors (5427197).

51885163 is a wasteful number, since it uses less digits than its factorization.

51885163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138 (or 2127 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 51885163 is about 7203.1356366516. The cubic root of 51885163 is about 372.9761501041.

The spelling of 51885163 in words is "fifty-one million, eight hundred eighty-five thousand, one hundred sixty-three".