50427122531 has 4 divisors (see below), whose sum is σ = 50430159000. Its totient is φ = 50424086064.

The previous prime is 50427122527. The next prime is 50427122567. The reversal of 50427122531 is 13522172405.

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 50427122531 - 2² = 50427122527 is a prime.

It is a super-2 number, since 2×50427122531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50427122521) 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, 1493186 + ... + 1526583.

It is an arithmetic number, because the mean of its divisors is an integer number (12607539750).

Almost surely, 2^50427122531 is an apocalyptic number.

50427122531 is a deficient number, since it is larger than the sum of its proper divisors (3036469).

50427122531 is a wasteful number, since it uses less digits than its factorization.

50427122531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036468.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 50427122531 its reverse (13522172405), we get a palindrome (63949294936).

The spelling of 50427122531 in words is "fifty billion, four hundred twenty-seven million, one hundred twenty-two thousand, five hundred thirty-one".