50021300321 has 4 divisors (see below), whose sum is σ = 50046476592. Its totient is φ = 49996124052.

The previous prime is 50021300311. The next prime is 50021300333. The reversal of 50021300321 is 12300312005.

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 50021300321 - 2²² = 50017106017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50021300321.

It is not an unprimeable number, because it can be changed into a prime (50021300311) 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, 12585155 + ... + 12589128.

It is an arithmetic number, because the mean of its divisors is an integer number (12511619148).

Almost surely, 2^50021300321 is an apocalyptic number.

It is an amenable number.

50021300321 is a deficient number, since it is larger than the sum of its proper divisors (25176271).

50021300321 is a wasteful number, since it uses less digits than its factorization.

50021300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25176270.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 50021300321 its reverse (12300312005), we get a palindrome (62321612326).

The spelling of 50021300321 in words is "fifty billion, twenty-one million, three hundred thousand, three hundred twenty-one".