554643 has 6 divisors (see below), whose sum is σ = 801164. Its totient is φ = 369756.

The previous prime is 554641. The next prime is 554663. The reversal of 554643 is 346455.

554643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 554643 - 2¹ = 554641 is a prime.

It is an Ulam number.

It is a Duffinian number.

554643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (554641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30805 + ... + 30822.

2⁵⁵⁴⁶⁴³ is an apocalyptic number.

554643 is a deficient number, since it is larger than the sum of its proper divisors (246521).

554643 is a wasteful number, since it uses less digits than its factorization.

554643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61633 (or 61630 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 554643 is about 744.7435800328. The cubic root of 554643 is about 82.1620333662.

The spelling of 554643 in words is "five hundred fifty-four thousand, six hundred forty-three".