554273243 has 4 divisors (see below), whose sum is σ = 561289440. Its totient is φ = 547257048.

The previous prime is 554273197. The next prime is 554273261. The reversal of 554273243 is 342372455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342372455 = 5 ⋅68474491.

It is a cyclic number.

It is not a de Polignac number, because 554273243 - 2²⁴ = 537496027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554273443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3507980 + ... + 3508137.

It is an arithmetic number, because the mean of its divisors is an integer number (140322360).

Almost surely, 2^554273243 is an apocalyptic number.

554273243 is a deficient number, since it is larger than the sum of its proper divisors (7016197).

554273243 is an equidigital number, since it uses as much as digits as its factorization.

554273243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016196.

The product of its digits is 100800, while the sum is 35.

The square root of 554273243 is about 23543.0083676662. The cubic root of 554273243 is about 821.4377132464.

The spelling of 554273243 in words is "five hundred fifty-four million, two hundred seventy-three thousand, two hundred forty-three".