50021052001 has 8 divisors (see below), whose sum is σ = 50486771880. Its totient is φ = 49555736832.

The previous prime is 50021051999. The next prime is 50021052023. The reversal of 50021052001 is 10025012005.

It can be written as a sum of positive squares in 4 ways, for example, as 12819900625 + 37201151376 = 113225^2 + 192876^2 .

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 50021052001 - 2¹ = 50021051999 is a prime.

It is a super-2 number, since 2×50021052001² (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 (50021053001) 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, 150055 + ... + 350083.

It is an arithmetic number, because the mean of its divisors is an integer number (6310846485).

Almost surely, 2^50021052001 is an apocalyptic number.

It is an amenable number.

50021052001 is a deficient number, since it is larger than the sum of its proper divisors (465719879).

50021052001 is a wasteful number, since it uses less digits than its factorization.

50021052001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202355.

The product of its (nonzero) digits is 100, while the sum is 16.

Adding to 50021052001 its reverse (10025012005), we get a palindrome (60046064006).

The spelling of 50021052001 in words is "fifty billion, twenty-one million, fifty-two thousand, one".