549956 has 24 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 240800.

The previous prime is 549949. The next prime is 549977. The reversal of 549956 is 659945.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549956.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061 + ... + 1491.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁵⁴⁹⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

549956 is a deficient number, since it is larger than the sum of its proper divisors (538684).

549956 is a wasteful number, since it uses less digits than its factorization.

549956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 473 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The square root of 549956 is about 741.5901833223. The cubic root of 549956 is about 81.9299421451.

It can be divided in two parts, 5499 and 56, that added together give a palindrome (5555).

The spelling of 549956 in words is "five hundred forty-nine thousand, nine hundred fifty-six".