550454 has 4 divisors (see below), whose sum is σ = 825684. Its totient is φ = 275226.

The previous prime is 550447. The next prime is 550457. The reversal of 550454 is 454055.

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

It is a super-2 number, since 2×550454² = 605999212232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137612 + ... + 137615.

It is an arithmetic number, because the mean of its divisors is an integer number (206421).

2⁵⁵⁰⁴⁵⁴ is an apocalyptic number.

550454 is a deficient number, since it is larger than the sum of its proper divisors (275230).

550454 is a wasteful number, since it uses less digits than its factorization.

550454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275229.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 550454 is about 741.9258723080. The cubic root of 550454 is about 81.9546646089.

The spelling of 550454 in words is "five hundred fifty thousand, four hundred fifty-four".