51503230459 has 2 divisors, whose sum is σ = 51503230460. Its totient is φ = 51503230458.

The previous prime is 51503230453. The next prime is 51503230463. The reversal of 51503230459 is 95403230515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51503230459 - 2³ = 51503230451 is a prime.

It is not a weakly prime, because it can be changed into another prime (51503230451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25751615229 + 25751615230.

It is an arithmetic number, because the mean of its divisors is an integer number (25751615230).

Almost surely, 2^51503230459 is an apocalyptic number.

51503230459 is a deficient number, since it is larger than the sum of its proper divisors (1).

51503230459 is an equidigital number, since it uses as much as digits as its factorization.

51503230459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 51503230459 in words is "fifty-one billion, five hundred three million, two hundred thirty thousand, four hundred fifty-nine".