51574995259 has 2 divisors, whose sum is σ = 51574995260. Its totient is φ = 51574995258.

The previous prime is 51574995253. The next prime is 51574995271. The reversal of 51574995259 is 95259947515.

51574995259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51574995259 - 2¹³ = 51574987067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51574995197 and 51574995206.

It is not a weakly prime, because it can be changed into another prime (51574995253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25787497629 + 25787497630.

It is an arithmetic number, because the mean of its divisors is an integer number (25787497630).

Almost surely, 2^51574995259 is an apocalyptic number.

51574995259 is a deficient number, since it is larger than the sum of its proper divisors (1).

51574995259 is an equidigital number, since it uses as much as digits as its factorization.

51574995259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25515000, while the sum is 61.

The spelling of 51574995259 in words is "fifty-one billion, five hundred seventy-four million, nine hundred ninety-five thousand, two hundred fifty-nine".