50204521 has 4 divisors (see below), whose sum is σ = 51372112. Its totient is φ = 49036932.

The previous prime is 50204503. The next prime is 50204527. The reversal of 50204521 is 12540205.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12540205 = 5 ⋅2508041.

It is a cyclic number.

It is not a de Polignac number, because 50204521 - 2⁷ = 50204393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50204527) 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, 583731 + ... + 583816.

It is an arithmetic number, because the mean of its divisors is an integer number (12843028).

Almost surely, 2^50204521 is an apocalyptic number.

It is an amenable number.

50204521 is a deficient number, since it is larger than the sum of its proper divisors (1167591).

50204521 is a wasteful number, since it uses less digits than its factorization.

50204521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167590.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50204521 is about 7085.5148719059. The cubic root of 50204521 is about 368.9047744035.

Adding to 50204521 its reverse (12540205), we get a palindrome (62744726).

The spelling of 50204521 in words is "fifty million, two hundred four thousand, five hundred twenty-one".