51550101305 has 16 divisors (see below), whose sum is σ = 62189933760. Its totient is φ = 41020730688.

The previous prime is 51550101301. The next prime is 51550101311. The reversal of 51550101305 is 50310105515.

It is a cyclic number.

It is not a de Polignac number, because 51550101305 - 2² = 51550101301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51550101301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764291 + ... + 828999.

It is an arithmetic number, because the mean of its divisors is an integer number (3886870860).

Almost surely, 2^51550101305 is an apocalyptic number.

It is an amenable number.

51550101305 is a deficient number, since it is larger than the sum of its proper divisors (10639832455).

51550101305 is a wasteful number, since it uses less digits than its factorization.

51550101305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65560.

The product of its (nonzero) digits is 1875, while the sum is 26.

The spelling of 51550101305 in words is "fifty-one billion, five hundred fifty million, one hundred one thousand, three hundred five".