50554221 has 16 divisors (see below), whose sum is σ = 70580160. Its totient is φ = 32144000.

The previous prime is 50554219. The next prime is 50554223. The reversal of 50554221 is 12245505.

It is a happy number.

50554221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50554219) and next prime (50554223).

It is a cyclic number.

It is not a de Polignac number, because 50554221 - 2¹ = 50554219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50554191 and 50554200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50554223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3721 + ... + 10721.

It is an arithmetic number, because the mean of its divisors is an integer number (4411260).

Almost surely, 2^50554221 is an apocalyptic number.

It is an amenable number.

50554221 is a deficient number, since it is larger than the sum of its proper divisors (20025939).

50554221 is a wasteful number, since it uses less digits than its factorization.

50554221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 50554221 is about 7110.1491545537. The cubic root of 50554221 is about 369.7593297305.

Adding to 50554221 its reverse (12245505), we get a palindrome (62799726).

The spelling of 50554221 in words is "fifty million, five hundred fifty-four thousand, two hundred twenty-one".