549573023 has 4 divisors (see below), whose sum is σ = 558887880. Its totient is φ = 540258168.

The previous prime is 549572993. The next prime is 549573041. The reversal of 549573023 is 320375945.

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 549573023 - 2⁸ = 549572767 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 (549573223) 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, 4657340 + ... + 4657457.

It is an arithmetic number, because the mean of its divisors is an integer number (139721970).

Almost surely, 2^549573023 is an apocalyptic number.

549573023 is a deficient number, since it is larger than the sum of its proper divisors (9314857).

549573023 is an equidigital number, since it uses as much as digits as its factorization.

549573023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9314856.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 549573023 is about 23442.9738514549. The cubic root of 549573023 is about 819.1091967192.

The spelling of 549573023 in words is "five hundred forty-nine million, five hundred seventy-three thousand, twenty-three".