50231564421 has 4 divisors (see below), whose sum is σ = 66975419232. Its totient is φ = 33487709612.

The previous prime is 50231564401. The next prime is 50231564429. The reversal of 50231564421 is 12446513205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50231564421 - 2¹¹ = 50231562373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50231564429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8371927401 + ... + 8371927406.

It is an arithmetic number, because the mean of its divisors is an integer number (16743854808).

Almost surely, 2^50231564421 is an apocalyptic number.

It is an amenable number.

50231564421 is a deficient number, since it is larger than the sum of its proper divisors (16743854811).

50231564421 is a wasteful number, since it uses less digits than its factorization.

50231564421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16743854810.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 50231564421 in words is "fifty billion, two hundred thirty-one million, five hundred sixty-four thousand, four hundred twenty-one".