51023450305 has 16 divisors (see below), whose sum is σ = 62241511824. Its totient is φ = 40143386880.

The previous prime is 51023450287. The next prime is 51023450329. The reversal of 51023450305 is 50305432015.

It can be written as a sum of positive squares in 8 ways, for example, as 7040552464 + 43982897841 = 83908^2 + 209721^2 .

It is not a de Polignac number, because 51023450305 - 2⁵ = 51023450273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3779227 + ... + 3792703.

It is an arithmetic number, because the mean of its divisors is an integer number (3890094489).

Almost surely, 2^51023450305 is an apocalyptic number.

It is an amenable number.

51023450305 is a deficient number, since it is larger than the sum of its proper divisors (11218061519).

51023450305 is a wasteful number, since it uses less digits than its factorization.

51023450305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25956.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 51023450305 in words is "fifty-one billion, twenty-three million, four hundred fifty thousand, three hundred five".