51468589 has 2 divisors, whose sum is σ = 51468590. Its totient is φ = 51468588.

The previous prime is 51468581. The next prime is 51468629. The reversal of 51468589 is 98586415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34928100 + 16540489 = 5910^2 + 4067^2 .

It is a cyclic number.

It is not a de Polignac number, because 51468589 - 2³ = 51468581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51468581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25734294 + 25734295.

It is an arithmetic number, because the mean of its divisors is an integer number (25734295).

Almost surely, 2^51468589 is an apocalyptic number.

It is an amenable number.

51468589 is a deficient number, since it is larger than the sum of its proper divisors (1).

51468589 is an equidigital number, since it uses as much as digits as its factorization.

51468589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 46.

The square root of 51468589 is about 7174.1612053257. The cubic root of 51468589 is about 371.9752869273.

The spelling of 51468589 in words is "fifty-one million, four hundred sixty-eight thousand, five hundred eighty-nine".