51184589 has 2 divisors, whose sum is σ = 51184590. Its totient is φ = 51184588.

The previous prime is 51184559. The next prime is 51184619. The reversal of 51184589 is 98548115.

It is a balanced prime because it is at equal distance from previous prime (51184559) and next prime (51184619).

It can be written as a sum of positive squares in only one way, i.e., 50651689 + 532900 = 7117^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 51184589 - 2²⁰ = 50136013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51184559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25592294 + 25592295.

It is an arithmetic number, because the mean of its divisors is an integer number (25592295).

Almost surely, 2^51184589 is an apocalyptic number.

It is an amenable number.

51184589 is a deficient number, since it is larger than the sum of its proper divisors (1).

51184589 is an equidigital number, since it uses as much as digits as its factorization.

51184589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 41.

The square root of 51184589 is about 7154.3405705907. The cubic root of 51184589 is about 371.2898469476.

The spelling of 51184589 in words is "fifty-one million, one hundred eighty-four thousand, five hundred eighty-nine".