549920273 has 8 divisors (see below), whose sum is σ = 630627648. Its totient is φ = 469749744.

The previous prime is 549920251. The next prime is 549920291. The reversal of 549920273 is 372029945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549920273 - 2⁸ = 549920017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 549920273.

It is not an unprimeable number, because it can be changed into a prime (549920213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132011 + ... + 136112.

It is an arithmetic number, because the mean of its divisors is an integer number (78828456).

Almost surely, 2^549920273 is an apocalyptic number.

It is an amenable number.

549920273 is a deficient number, since it is larger than the sum of its proper divisors (80707375).

549920273 is a wasteful number, since it uses less digits than its factorization.

549920273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268423.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 549920273 is about 23450.3789521619. The cubic root of 549920273 is about 819.2816795803.

The spelling of 549920273 in words is "five hundred forty-nine million, nine hundred twenty thousand, two hundred seventy-three".