50031143421 has 8 divisors (see below), whose sum is σ = 76237932864. Its totient is φ = 28589224800.

The previous prime is 50031143399. The next prime is 50031143423. The reversal of 50031143421 is 12434113005.

It is a happy number.

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

It is not a de Polignac number, because 50031143421 - 2¹⁷ = 50031012349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50031143391 and 50031143400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50031143423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191217680 + ... + 1191217721.

It is an arithmetic number, because the mean of its divisors is an integer number (9529741608).

Almost surely, 2^50031143421 is an apocalyptic number.

It is an amenable number.

50031143421 is a deficient number, since it is larger than the sum of its proper divisors (26206789443).

50031143421 is a wasteful number, since it uses less digits than its factorization.

50031143421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382435411.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 50031143421 its reverse (12434113005), we get a palindrome (62465256426).

The spelling of 50031143421 in words is "fifty billion, thirty-one million, one hundred forty-three thousand, four hundred twenty-one".