549613356 has 24 divisors (see below), whose sum is σ = 1294884864. Its totient is φ = 181425360.

The previous prime is 549613333. The next prime is 549613381. The reversal of 549613356 is 653316945.

549613356 = 259² + 260² + ... + 1185².

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 221100 + ... + 223571.

It is an arithmetic number, because the mean of its divisors is an integer number (53953536).

Almost surely, 2^549613356 is an apocalyptic number.

It is an amenable number.

549613356 is an abundant number, since it is smaller than the sum of its proper divisors (745271508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549613356 is a wasteful number, since it uses less digits than its factorization.

549613356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444781 (or 444779 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 549613356 is about 23443.8340720967. The cubic root of 549613356 is about 819.1292342887.

The spelling of 549613356 in words is "five hundred forty-nine million, six hundred thirteen thousand, three hundred fifty-six".