50427827831 has 4 divisors (see below), whose sum is σ = 50691848064. Its totient is φ = 50163807600.

The previous prime is 50427827771. The next prime is 50427827837. The reversal of 50427827831 is 13872872405.

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 50427827831 - 2²² = 50423633527 is a prime.

It is a super-2 number, since 2×50427827831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50427827837) 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, 132009830 + ... + 132010211.

It is an arithmetic number, because the mean of its divisors is an integer number (12672962016).

Almost surely, 2^50427827831 is an apocalyptic number.

50427827831 is a deficient number, since it is larger than the sum of its proper divisors (264020233).

50427827831 is a wasteful number, since it uses less digits than its factorization.

50427827831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264020232.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 50427827831 in words is "fifty billion, four hundred twenty-seven million, eight hundred twenty-seven thousand, eight hundred thirty-one".