51589163 has 4 divisors (see below), whose sum is σ = 51874368. Its totient is φ = 51303960.

The previous prime is 51589157. The next prime is 51589217. The reversal of 51589163 is 36198515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51589163 - 2⁴ = 51589147 is a prime.

It is a super-2 number, since 2×51589163² = 5322883478081138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51589763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142331 + ... + 142692.

It is an arithmetic number, because the mean of its divisors is an integer number (12968592).

Almost surely, 2^51589163 is an apocalyptic number.

51589163 is a deficient number, since it is larger than the sum of its proper divisors (285205).

51589163 is a wasteful number, since it uses less digits than its factorization.

51589163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285204.

The product of its digits is 32400, while the sum is 38.

The square root of 51589163 is about 7182.5596412421. The cubic root of 51589163 is about 372.2655323712.

The spelling of 51589163 in words is "fifty-one million, five hundred eighty-nine thousand, one hundred sixty-three".