50998527939 has 12 divisors (see below), whose sum is σ = 68060323016. Its totient is φ = 33967891872.

The previous prime is 50998527889. The next prime is 50998527947. The reversal of 50998527939 is 93972589905.

It is not a de Polignac number, because 50998527939 - 2¹² = 50998523843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50998527939.

It is not an unprimeable number, because it can be changed into a prime (50998527989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15920512 + ... + 15923714.

Almost surely, 2^50998527939 is an apocalyptic number.

50998527939 is a deficient number, since it is larger than the sum of its proper divisors (17061795077).

50998527939 is an frugal number, since it uses more digits than its factorization.

50998527939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066 (or 4863 counting only the distinct ones).

The product of its (nonzero) digits is 55112400, while the sum is 66.

The spelling of 50998527939 in words is "fifty billion, nine hundred ninety-eight million, five hundred twenty-seven thousand, nine hundred thirty-nine".