51841289 has 8 divisors (see below), whose sum is σ = 52799040. Its totient is φ = 50890000.

The previous prime is 51841271. The next prime is 51841297. The reversal of 51841289 is 98214815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51841289 - 2²⁰ = 50792713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51841259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16367 + ... + 19275.

It is an arithmetic number, because the mean of its divisors is an integer number (6599880).

Almost surely, 2^51841289 is an apocalyptic number.

It is an amenable number.

51841289 is a deficient number, since it is larger than the sum of its proper divisors (957751).

51841289 is a wasteful number, since it uses less digits than its factorization.

51841289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231.

The product of its digits is 23040, while the sum is 38.

The square root of 51841289 is about 7200.0895133325. The cubic root of 51841289 is about 372.8709911385.

The spelling of 51841289 in words is "fifty-one million, eight hundred forty-one thousand, two hundred eighty-nine".