50511051055051 has 4 divisors (see below), whose sum is σ = 50511086791704. Its totient is φ = 50511015318400.

The previous prime is 50511051055019. The next prime is 50511051055093. The reversal of 50511051055051 is 15055015011505.

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

It is a cyclic number.

It is not a de Polignac number, because 50511051055051 - 2⁵ = 50511051055019 is a prime.

It is a super-2 number, since 2×50511051055051² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50511051054998 and 50511051055016.

It is not an unprimeable number, because it can be changed into a prime (50511055055051) 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, 15656965 + ... + 18605446.

It is an arithmetic number, because the mean of its divisors is an integer number (12627771697926).

Almost surely, 2^{50511051055051} is an apocalyptic number.

50511051055051 is a deficient number, since it is larger than the sum of its proper divisors (35736653).

50511051055051 is a wasteful number, since it uses less digits than its factorization.

50511051055051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35736652.

The product of its (nonzero) digits is 15625, while the sum is 34.

Adding to 50511051055051 its reverse (15055015011505), we get a palindrome (65566066066556).

The spelling of 50511051055051 in words is "fifty trillion, five hundred eleven billion, fifty-one million, fifty-five thousand, fifty-one".