549339958 has 8 divisors (see below), whose sum is σ = 859836528. Its totient is φ = 262727784.

The previous prime is 549339943. The next prime is 549339961. The reversal of 549339958 is 859933945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 549339899 and 549339908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5971041 + ... + 5971132.

It is an arithmetic number, because the mean of its divisors is an integer number (107479566).

Almost surely, 2^549339958 is an apocalyptic number.

549339958 is a deficient number, since it is larger than the sum of its proper divisors (310496570).

549339958 is a wasteful number, since it uses less digits than its factorization.

549339958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11942198.

The product of its digits is 5248800, while the sum is 55.

The square root of 549339958 is about 23438.0024319480. The cubic root of 549339958 is about 818.9933900414.

It can be divided in two parts, 5493 and 39958, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 549339958 in words is "five hundred forty-nine million, three hundred thirty-nine thousand, nine hundred fifty-eight".