50110011621 has 24 divisors (see below), whose sum is σ = 72828737280. Its totient is φ = 33200309376.

The previous prime is 50110011619. The next prime is 50110011649. The reversal of 50110011621 is 12611001105.

It is a happy number.

50110011621 is a `hidden beast` number, since 501 + 1 + 0 + 0 + 1 + 162 + 1 = 666.

50110011621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50110011621 - 2¹ = 50110011619 is a prime.

It is a super-2 number, since 2×50110011621² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50110011594 and 50110011603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50110011691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3009100 + ... + 3025706.

It is an arithmetic number, because the mean of its divisors is an integer number (3034530720).

Almost surely, 2^50110011621 is an apocalyptic number.

It is an amenable number.

50110011621 is a deficient number, since it is larger than the sum of its proper divisors (22718725659).

50110011621 is a wasteful number, since it uses less digits than its factorization.

50110011621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18665 (or 18662 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 50110011621 its reverse (12611001105), we get a palindrome (62721012726).

The spelling of 50110011621 in words is "fifty billion, one hundred ten million, eleven thousand, six hundred twenty-one".