50016104521 has 4 divisors (see below), whose sum is σ = 50322951952. Its totient is φ = 49709257092.

The previous prime is 50016104491. The next prime is 50016104587. The reversal of 50016104521 is 12540161005.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50016104521 is a prime.

It is a super-2 number, since 2×50016104521² (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 (50016134521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153423471 + ... + 153423796.

It is an arithmetic number, because the mean of its divisors is an integer number (12580737988).

Almost surely, 2^50016104521 is an apocalyptic number.

It is an amenable number.

50016104521 is a deficient number, since it is larger than the sum of its proper divisors (306847431).

50016104521 is a wasteful number, since it uses less digits than its factorization.

50016104521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306847430.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 50016104521 its reverse (12540161005), we get a palindrome (62556265526).

The spelling of 50016104521 in words is "fifty billion, sixteen million, one hundred four thousand, five hundred twenty-one".