50105521 has 8 divisors (see below), whose sum is σ = 50978304. Its totient is φ = 49237920.

The previous prime is 50105519. The next prime is 50105543. The reversal of 50105521 is 12550105.

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 50105521 - 2¹ = 50105519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50100521) 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, 21600 + ... + 23806.

It is an arithmetic number, because the mean of its divisors is an integer number (6372288).

Almost surely, 2^50105521 is an apocalyptic number.

It is an amenable number.

50105521 is a deficient number, since it is larger than the sum of its proper divisors (872783).

50105521 is a wasteful number, since it uses less digits than its factorization.

50105521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 50105521 is about 7078.5253407754. The cubic root of 50105521 is about 368.6621295559.

Adding to 50105521 its reverse (12550105), we get a palindrome (62655626).

The spelling of 50105521 in words is "fifty million, one hundred five thousand, five hundred twenty-one".