549791952 has 40 divisors (see below), whose sum is σ = 1421453664. Its totient is φ = 183114624.

The previous prime is 549791941. The next prime is 549791953. The reversal of 549791952 is 259197945.

It is a junction number, because it is equal to n+sod(n) for n = 549791895 and 549791904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549791953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65803 + ... + 73685.

Almost surely, 2^549791952 is an apocalyptic number.

It is an amenable number.

549791952 is an abundant number, since it is smaller than the sum of its proper divisors (871661712).

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

549791952 is a wasteful number, since it uses less digits than its factorization.

549791952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347 (or 9341 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 51.

The square root of 549791952 is about 23447.6427813117. The cubic root of 549791952 is about 819.2179496011.

The spelling of 549791952 in words is "five hundred forty-nine million, seven hundred ninety-one thousand, nine hundred fifty-two".