50105550551 has 4 divisors (see below), whose sum is σ = 57263486352. Its totient is φ = 42947614752.

The previous prime is 50105550529. The next prime is 50105550557. The reversal of 50105550551 is 15505550105.

50105550551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15505550105 = 5 ⋅3101110021.

It is not a de Polignac number, because 50105550551 - 2¹⁸ = 50105288407 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 (50105550557) 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, 3578967890 + ... + 3578967903.

It is an arithmetic number, because the mean of its divisors is an integer number (14315871588).

Almost surely, 2^50105550551 is an apocalyptic number.

50105550551 is a deficient number, since it is larger than the sum of its proper divisors (7157935801).

50105550551 is an equidigital number, since it uses as much as digits as its factorization.

50105550551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157935800.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 50105550551 in words is "fifty billion, one hundred five million, five hundred fifty thousand, five hundred fifty-one".