549572990 has 8 divisors (see below), whose sum is σ = 989231400. Its totient is φ = 219829192.

The previous prime is 549572987. The next prime is 549572993. The reversal of 549572990 is 99275945.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (549572987) and next prime (549572993).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549572993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27478640 + ... + 27478659.

It is an arithmetic number, because the mean of its divisors is an integer number (123653925).

Almost surely, 2^549572990 is an apocalyptic number.

549572990 is a deficient number, since it is larger than the sum of its proper divisors (439658410).

549572990 is a wasteful number, since it uses less digits than its factorization.

549572990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54957306.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 549572990 is about 23442.9731476193. The cubic root of 549572990 is about 819.1091803242.

The spelling of 549572990 in words is "five hundred forty-nine million, five hundred seventy-two thousand, nine hundred ninety".