50030521521 has 8 divisors (see below), whose sum is σ = 68859212544. Its totient is φ = 32277755760.

The previous prime is 50030521511. The next prime is 50030521529. The reversal of 50030521521 is 12512503005.

It is a happy number.

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

It is not a de Polignac number, because 50030521521 - 2²⁵ = 49996967089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50030521491 and 50030521500.

It is not an unprimeable number, because it can be changed into a prime (50030521529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268981206 + ... + 268981391.

It is an arithmetic number, because the mean of its divisors is an integer number (8607401568).

Almost surely, 2^50030521521 is an apocalyptic number.

It is an amenable number.

50030521521 is a deficient number, since it is larger than the sum of its proper divisors (18828691023).

50030521521 is a wasteful number, since it uses less digits than its factorization.

50030521521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537962631.

The product of its (nonzero) digits is 1500, while the sum is 24.

The spelling of 50030521521 in words is "fifty billion, thirty million, five hundred twenty-one thousand, five hundred twenty-one".