50155605559 has 4 divisors (see below), whose sum is σ = 51511162504. Its totient is φ = 48800048616.

The previous prime is 50155605553. The next prime is 50155605601. The reversal of 50155605559 is 95550655105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95550655105 = 5 ⋅19110131021.

It is a cyclic number.

It is not a de Polignac number, because 50155605559 - 2³ = 50155605551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50155605551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677778417 + ... + 677778490.

It is an arithmetic number, because the mean of its divisors is an integer number (12877790626).

Almost surely, 2^50155605559 is an apocalyptic number.

50155605559 is a deficient number, since it is larger than the sum of its proper divisors (1355556945).

50155605559 is a wasteful number, since it uses less digits than its factorization.

50155605559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355556944.

The product of its (nonzero) digits is 843750, while the sum is 46.

The spelling of 50155605559 in words is "fifty billion, one hundred fifty-five million, six hundred five thousand, five hundred fifty-nine".