549359137 has 4 divisors (see below), whose sum is σ = 549411520. Its totient is φ = 549306756.

The previous prime is 549359087. The next prime is 549359147. The reversal of 549359137 is 731953945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 549359137 - 2⁷ = 549359009 is a prime.

It is a super-2 number, since 2×549359137² = 603590922810769538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549359147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4437 + ... + 33442.

It is an arithmetic number, because the mean of its divisors is an integer number (137352880).

Almost surely, 2^549359137 is an apocalyptic number.

It is an amenable number.

549359137 is a deficient number, since it is larger than the sum of its proper divisors (52383).

549359137 is a wasteful number, since it uses less digits than its factorization.

549359137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52382.

The product of its digits is 510300, while the sum is 46.

The square root of 549359137 is about 23438.4115716061. The cubic root of 549359137 is about 819.0029210499.

The spelling of 549359137 in words is "five hundred forty-nine million, three hundred fifty-nine thousand, one hundred thirty-seven".