50421170421 has 12 divisors (see below), whose sum is σ = 75341979180. Its totient is φ = 32455006080.

The previous prime is 50421170411. The next prime is 50421170441. The reversal of 50421170421 is 12407112405.

50421170421 is a `hidden beast` number, since 50 + 4 + 21 + 170 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12585474225 + 37835696196 = 112185^2 + 194514^2 .

It is not a de Polignac number, because 50421170421 - 2⁵ = 50421170389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50421170411) 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 11 ways as a sum of consecutive naturals, for example, 96592020 + ... + 96592541.

It is an arithmetic number, because the mean of its divisors is an integer number (6278498265).

Almost surely, 2^50421170421 is an apocalyptic number.

It is an amenable number.

50421170421 is a deficient number, since it is larger than the sum of its proper divisors (24920808759).

50421170421 is a wasteful number, since it uses less digits than its factorization.

50421170421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193184596 (or 193184593 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 50421170421 its reverse (12407112405), we get a palindrome (62828282826).

The spelling of 50421170421 in words is "fifty billion, four hundred twenty-one million, one hundred seventy thousand, four hundred twenty-one".