554651 has 4 divisors (see below), whose sum is σ = 556512. Its totient is φ = 552792.

The previous prime is 554641. The next prime is 554663. The reversal of 554651 is 156455.

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

It is a cyclic number.

It is not a de Polignac number, because 554651 - 2¹⁰ = 553627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 554651.

It is not an unprimeable number, because it can be changed into a prime (554611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371 + ... + 1116.

It is an arithmetic number, because the mean of its divisors is an integer number (139128).

2⁵⁵⁴⁶⁵¹ is an apocalyptic number.

554651 is a deficient number, since it is larger than the sum of its proper divisors (1861).

554651 is a wasteful number, since it uses less digits than its factorization.

554651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860.

The product of its digits is 3000, while the sum is 26.

The square root of 554651 is about 744.7489509895. The cubic root of 554651 is about 82.1624283909.

The spelling of 554651 in words is "five hundred fifty-four thousand, six hundred fifty-one".