50660071553 has 32 divisors (see below), whose sum is σ = 66409539840. Its totient is φ = 37724693760.

The previous prime is 50660071549. The next prime is 50660071573. The reversal of 50660071553 is 35517006605.

It is not a de Polignac number, because 50660071553 - 2² = 50660071549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50660071523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164558 + ... + 358328.

It is an arithmetic number, because the mean of its divisors is an integer number (2075298120).

Almost surely, 2^50660071553 is an apocalyptic number.

It is an amenable number.

50660071553 is a deficient number, since it is larger than the sum of its proper divisors (15749468287).

50660071553 is a wasteful number, since it uses less digits than its factorization.

50660071553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193834 (or 193808 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 38.

The spelling of 50660071553 in words is "fifty billion, six hundred sixty million, seventy-one thousand, five hundred fifty-three".