51589073 has 2 divisors, whose sum is σ = 51589074. Its totient is φ = 51589072.

The previous prime is 51589061. The next prime is 51589079. The reversal of 51589073 is 37098515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51380224 + 208849 = 7168^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 51589073 - 2¹² = 51584977 is a prime.

It is a super-2 number, since 2×51589073² = 5322864905998658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (51589079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25794536 + 25794537.

It is an arithmetic number, because the mean of its divisors is an integer number (25794537).

Almost surely, 2^51589073 is an apocalyptic number.

It is an amenable number.

51589073 is a deficient number, since it is larger than the sum of its proper divisors (1).

51589073 is an equidigital number, since it uses as much as digits as its factorization.

51589073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 51589073 is about 7182.5533760634. The cubic root of 51589073 is about 372.2653158922.

The spelling of 51589073 in words is "fifty-one million, five hundred eighty-nine thousand, seventy-three".