554521 has 4 divisors (see below), whose sum is σ = 604944. Its totient is φ = 504100.

The previous prime is 554503. The next prime is 554527. The reversal of 554521 is 125455.

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 not a de Polignac number, because 554521 - 2¹¹ = 552473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554492 and 554501.

It is not an unprimeable number, because it can be changed into a prime (554527) 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, 25195 + ... + 25216.

It is an arithmetic number, because the mean of its divisors is an integer number (151236).

2⁵⁵⁴⁵²¹ is an apocalyptic number.

It is an amenable number.

554521 is a deficient number, since it is larger than the sum of its proper divisors (50423).

554521 is a wasteful number, since it uses less digits than its factorization.

554521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50422.

The product of its digits is 1000, while the sum is 22.

The square root of 554521 is about 744.6616681420. The cubic root of 554521 is about 82.1560087683.

Adding to 554521 its reverse (125455), we get a palindrome (679976).

The spelling of 554521 in words is "five hundred fifty-four thousand, five hundred twenty-one".