50021153013 has 8 divisors (see below), whose sum is σ = 71825245408. Its totient is φ = 30782247984.

The previous prime is 50021152981. The next prime is 50021153033. The reversal of 50021153013 is 31035112005.

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

It is not a de Polignac number, because 50021153013 - 2⁵ = 50021152981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50021153033) 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, 641296795 + ... + 641296872.

It is an arithmetic number, because the mean of its divisors is an integer number (8978155676).

Almost surely, 2^50021153013 is an apocalyptic number.

It is an amenable number.

50021153013 is a deficient number, since it is larger than the sum of its proper divisors (21804092395).

50021153013 is a wasteful number, since it uses less digits than its factorization.

50021153013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282593683.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 50021153013 its reverse (31035112005), we get a palindrome (81056265018).

The spelling of 50021153013 in words is "fifty billion, twenty-one million, one hundred fifty-three thousand, thirteen".