50261422561 has 8 divisors (see below), whose sum is σ = 57448860224. Its totient is φ = 43075793520.

The previous prime is 50261422559. The next prime is 50261422571. The reversal of 50261422561 is 16522416205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50261422561 - 2¹ = 50261422559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50261422571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392070 + ... + 504223.

It is an arithmetic number, because the mean of its divisors is an integer number (7181107528).

Almost surely, 2^50261422561 is an apocalyptic number.

It is an amenable number.

50261422561 is a deficient number, since it is larger than the sum of its proper divisors (7187437663).

50261422561 is an equidigital number, since it uses as much as digits as its factorization.

50261422561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904311.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 50261422561 its reverse (16522416205), we get a palindrome (66783838766).

The spelling of 50261422561 in words is "fifty billion, two hundred sixty-one million, four hundred twenty-two thousand, five hundred sixty-one".