50066851555 has 32 divisors (see below), whose sum is σ = 74392902144. Its totient is φ = 31560592896.

The previous prime is 50066851543. The next prime is 50066851609. The reversal of 50066851555 is 55515866005.

It is a happy number.

It is not a de Polignac number, because 50066851555 - 2³¹ = 47919367907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 952857 + ... + 1004026.

It is an arithmetic number, because the mean of its divisors is an integer number (2324778192).

Almost surely, 2^50066851555 is an apocalyptic number.

50066851555 is a deficient number, since it is larger than the sum of its proper divisors (24326050589).

50066851555 is a wasteful number, since it uses less digits than its factorization.

50066851555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956955.

The product of its (nonzero) digits is 900000, while the sum is 46.

The spelling of 50066851555 in words is "fifty billion, sixty-six million, eight hundred fifty-one thousand, five hundred fifty-five".