554665 has 4 divisors (see below), whose sum is σ = 665604. Its totient is φ = 443728.

The previous prime is 554663. The next prime is 554669. The reversal of 554665 is 566455.

554665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59049 + 495616 = 243^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 554665 - 2¹ = 554663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554663) 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, 55462 + ... + 55471.

It is an arithmetic number, because the mean of its divisors is an integer number (166401).

2⁵⁵⁴⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

554665 is a deficient number, since it is larger than the sum of its proper divisors (110939).

554665 is a wasteful number, since it uses less digits than its factorization.

554665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110938.

The product of its digits is 18000, while the sum is 31.

The square root of 554665 is about 744.7583500707. The cubic root of 554665 is about 82.1631196750.

The spelling of 554665 in words is "five hundred fifty-four thousand, six hundred sixty-five".