554401 has 4 divisors (see below), whose sum is σ = 583600. Its totient is φ = 525204.

The previous prime is 554383. The next prime is 554417. The reversal of 554401 is 104455.

554401 = T₁₁₀ + T₁₁₁ + ... + T₁₆₆.

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 554401 - 2¹¹ = 552353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 29179 = 554401 / (5 + 5 + 4 + 4 + 0 + 1).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554431) 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, 14571 + ... + 14608.

It is an arithmetic number, because the mean of its divisors is an integer number (145900).

2⁵⁵⁴⁴⁰¹ is an apocalyptic number.

It is an amenable number.

554401 is a deficient number, since it is larger than the sum of its proper divisors (29199).

554401 is a wasteful number, since it uses less digits than its factorization.

554401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29198.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 554401 is about 744.5810902783. The cubic root of 554401 is about 82.1500820722.

Adding to 554401 its reverse (104455), we get a palindrome (658856).

The spelling of 554401 in words is "five hundred fifty-four thousand, four hundred one".