50432340021 has 12 divisors (see below), whose sum is σ = 78221588832. Its totient is φ = 28818479928.

The previous prime is 50432340019. The next prime is 50432340037. The reversal of 50432340021 is 12004323405.

It is not a de Polignac number, because 50432340021 - 2¹ = 50432340019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50432339973 and 50432340000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50432340041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171538425 + ... + 171538718.

It is an arithmetic number, because the mean of its divisors is an integer number (6518465736).

Almost surely, 2^50432340021 is an apocalyptic number.

It is an amenable number.

50432340021 is a deficient number, since it is larger than the sum of its proper divisors (27789248811).

50432340021 is a wasteful number, since it uses less digits than its factorization.

50432340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343077160 (or 343077153 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 50432340021 its reverse (12004323405), we get a palindrome (62436663426).

The spelling of 50432340021 in words is "fifty billion, four hundred thirty-two million, three hundred forty thousand, twenty-one".