50221040621 has 8 divisors (see below), whose sum is σ = 50284041600. Its totient is φ = 50158069920.

The previous prime is 50221040599. The next prime is 50221040633. The reversal of 50221040621 is 12604012205.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50221040621 - 2⁶ = 50221040557 is a prime.

It is a super-2 number, since 2×50221040621² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221040021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6106250 + ... + 6114468.

It is an arithmetic number, because the mean of its divisors is an integer number (6285505200).

Almost surely, 2^50221040621 is an apocalyptic number.

It is an amenable number.

50221040621 is a deficient number, since it is larger than the sum of its proper divisors (63000979).

50221040621 is a wasteful number, since it uses less digits than its factorization.

50221040621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 50221040621 its reverse (12604012205), we get a palindrome (62825052826).

The spelling of 50221040621 in words is "fifty billion, two hundred twenty-one million, forty thousand, six hundred twenty-one".