51659509255 has 16 divisors (see below), whose sum is σ = 62186810400. Its totient is φ = 41197467520.

The previous prime is 51659509247. The next prime is 51659509259. The reversal of 51659509255 is 55290595615.

It is not a de Polignac number, because 51659509255 - 2³ = 51659509247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51659509259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3842445 + ... + 3855865.

It is an arithmetic number, because the mean of its divisors is an integer number (3886675650).

Almost surely, 2^51659509255 is an apocalyptic number.

51659509255 is a deficient number, since it is larger than the sum of its proper divisors (10527301145).

51659509255 is a wasteful number, since it uses less digits than its factorization.

51659509255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15794.

The product of its (nonzero) digits is 3037500, while the sum is 52.

The spelling of 51659509255 in words is "fifty-one billion, six hundred fifty-nine million, five hundred nine thousand, two hundred fifty-five".