50533201881 has 12 divisors (see below), whose sum is σ = 74965170852. Its totient is φ = 32778292896.

The previous prime is 50533201877. The next prime is 50533201883. The reversal of 50533201881 is 18810233505.

It can be written as a sum of positive squares in 2 ways, for example, as 20306250000 + 30226951881 = 142500^2 + 173859^2 .

It is not a de Polignac number, because 50533201881 - 2² = 50533201877 is a prime.

It is a super-2 number, since 2×50533201881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50533201883) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 75875346 + ... + 75876011.

It is an arithmetic number, because the mean of its divisors is an integer number (6247097571).

Almost surely, 2^50533201881 is an apocalyptic number.

It is an amenable number.

50533201881 is a deficient number, since it is larger than the sum of its proper divisors (24431968971).

50533201881 is a wasteful number, since it uses less digits than its factorization.

50533201881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151751400 (or 151751397 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 50533201881 in words is "fifty billion, five hundred thirty-three million, two hundred one thousand, eight hundred eighty-one".