50543125251 has 4 divisors (see below), whose sum is σ = 67390833672. Its totient is φ = 33695416832.

The previous prime is 50543125219. The next prime is 50543125277. The reversal of 50543125251 is 15252134505.

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 50543125251 - 2⁵ = 50543125219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50543125211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423854206 + ... + 8423854211.

It is an arithmetic number, because the mean of its divisors is an integer number (16847708418).

Almost surely, 2^50543125251 is an apocalyptic number.

50543125251 is a deficient number, since it is larger than the sum of its proper divisors (16847708421).

50543125251 is a wasteful number, since it uses less digits than its factorization.

50543125251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16847708420.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 50543125251 its reverse (15252134505), we get a palindrome (65795259756).

The spelling of 50543125251 in words is "fifty billion, five hundred forty-three million, one hundred twenty-five thousand, two hundred fifty-one".