50042123401 has 4 divisors (see below), whose sum is σ = 50043473172. Its totient is φ = 50040773632.

The previous prime is 50042123387. The next prime is 50042123429. The reversal of 50042123401 is 10432124005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25455883401 + 24586240000 = 159549^2 + 156800^2 .

It is a cyclic number.

It is not a de Polignac number, because 50042123401 - 2⁷ = 50042123273 is a prime.

It is a super-2 number, since 2×50042123401² (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 (50042123471) 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 3 ways as a sum of consecutive naturals, for example, 617656 + ... + 693961.

It is an arithmetic number, because the mean of its divisors is an integer number (12510868293).

Almost surely, 2^50042123401 is an apocalyptic number.

It is an amenable number.

50042123401 is a deficient number, since it is larger than the sum of its proper divisors (1349771).

50042123401 is a wasteful number, since it uses less digits than its factorization.

50042123401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349770.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 50042123401 its reverse (10432124005), we get a palindrome (60474247406).

The spelling of 50042123401 in words is "fifty billion, forty-two million, one hundred twenty-three thousand, four hundred one".