549485505 has 32 divisors (see below), whose sum is σ = 978117120. Its totient is φ = 292682880.

The previous prime is 549485501. The next prime is 549485549. The reversal of 549485505 is 505584945.

549485505 is a `hidden beast` number, since 5 + 4 + 94 + 8 + 550 + 5 = 666.

It is not a de Polignac number, because 549485505 - 2² = 549485501 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (549485501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126520 + ... + 130790.

It is an arithmetic number, because the mean of its divisors is an integer number (30566160).

Almost surely, 2^549485505 is an apocalyptic number.

It is an amenable number.

549485505 is a deficient number, since it is larger than the sum of its proper divisors (428631615).

549485505 is a wasteful number, since it uses less digits than its factorization.

549485505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238 (or 5232 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The square root of 549485505 is about 23441.1071624188. The cubic root of 549485505 is about 819.0657141116.

The spelling of 549485505 in words is "five hundred forty-nine million, four hundred eighty-five thousand, five hundred five".