50430432881 has 4 divisors (see below), whose sum is σ = 50432003700. Its totient is φ = 50428862064.

The previous prime is 50430432817. The next prime is 50430432887. The reversal of 50430432881 is 18823403405.

It is a happy number.

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 18171040000 + 32259392881 = 134800^2 + 179609^2 .

It is a cyclic number.

It is not a de Polignac number, because 50430432881 - 2⁶ = 50430432817 is a prime.

It is a super-2 number, since 2×50430432881² (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 (50430432887) 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, 736226 + ... + 801803.

It is an arithmetic number, because the mean of its divisors is an integer number (12608000925).

Almost surely, 2^50430432881 is an apocalyptic number.

It is an amenable number.

50430432881 is a deficient number, since it is larger than the sum of its proper divisors (1570819).

50430432881 is a wasteful number, since it uses less digits than its factorization.

50430432881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570818.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 50430432881 in words is "fifty billion, four hundred thirty million, four hundred thirty-two thousand, eight hundred eighty-one".