50411020021 has 8 divisors (see below), whose sum is σ = 51031249920. Its totient is φ = 49791096672.

The previous prime is 50411019991. The next prime is 50411020031. The reversal of 50411020021 is 12002011405.

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 50411020021 - 2¹¹ = 50411017973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50411019977 and 50411020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50411020031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263500 + ... + 412618.

It is an arithmetic number, because the mean of its divisors is an integer number (6378906240).

Almost surely, 2^50411020021 is an apocalyptic number.

It is an amenable number.

50411020021 is a deficient number, since it is larger than the sum of its proper divisors (620229899).

50411020021 is a wasteful number, since it uses less digits than its factorization.

50411020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153275.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 50411020021 its reverse (12002011405), we get a palindrome (62413031426).

The spelling of 50411020021 in words is "fifty billion, four hundred eleven million, twenty thousand, twenty-one".