549424513 has 16 divisors (see below), whose sum is σ = 635501376. Its totient is φ = 469450240.

The previous prime is 549424511. The next prime is 549424531. The reversal of 549424513 is 315424945.

It is a happy number.

It is not a de Polignac number, because 549424513 - 2¹ = 549424511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549424511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176670 + ... + 179752.

It is an arithmetic number, because the mean of its divisors is an integer number (39718836).

Almost surely, 2^549424513 is an apocalyptic number.

It is an amenable number.

549424513 is a deficient number, since it is larger than the sum of its proper divisors (86076863).

549424513 is a wasteful number, since it uses less digits than its factorization.

549424513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

The product of its digits is 86400, while the sum is 37.

The square root of 549424513 is about 23439.8061638743. The cubic root of 549424513 is about 819.0354080015.

The spelling of 549424513 in words is "five hundred forty-nine million, four hundred twenty-four thousand, five hundred thirteen".