554621 has 4 divisors (see below), whose sum is σ = 572544. Its totient is φ = 536700.

The previous prime is 554611. The next prime is 554627. The reversal of 554621 is 126455.

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 554621 - 2¹⁸ = 292477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554627) 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, 8915 + ... + 8976.

It is an arithmetic number, because the mean of its divisors is an integer number (143136).

2⁵⁵⁴⁶²¹ is an apocalyptic number.

It is an amenable number.

554621 is a deficient number, since it is larger than the sum of its proper divisors (17923).

554621 is a wasteful number, since it uses less digits than its factorization.

554621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17922.

The product of its digits is 1200, while the sum is 23.

The square root of 554621 is about 744.7288097019. The cubic root of 554621 is about 82.1609470286.

The spelling of 554621 in words is "five hundred fifty-four thousand, six hundred twenty-one".