50651516155 has 4 divisors (see below), whose sum is σ = 60781819392. Its totient is φ = 40521212920.

The previous prime is 50651516141. The next prime is 50651516161. The reversal of 50651516155 is 55161515605.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50651516155 - 2¹¹ = 50651514107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065151611 + ... + 5065151620.

It is an arithmetic number, because the mean of its divisors is an integer number (15195454848).

Almost surely, 2^50651516155 is an apocalyptic number.

50651516155 is a deficient number, since it is larger than the sum of its proper divisors (10130303237).

50651516155 is a wasteful number, since it uses less digits than its factorization.

50651516155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10130303236.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 50651516155 in words is "fifty billion, six hundred fifty-one million, five hundred sixteen thousand, one hundred fifty-five".