555489849 has 4 divisors (see below), whose sum is σ = 740653136. Its totient is φ = 370326564.

The previous prime is 555489839. The next prime is 555489881. The reversal of 555489849 is 948984555.

It is a happy number.

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.

It is not a de Polignac number, because 555489849 - 2⁸ = 555489593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555489839) 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, 92581639 + ... + 92581644.

It is an arithmetic number, because the mean of its divisors is an integer number (185163284).

Almost surely, 2^555489849 is an apocalyptic number.

It is an amenable number.

555489849 is a deficient number, since it is larger than the sum of its proper divisors (185163287).

555489849 is a wasteful number, since it uses less digits than its factorization.

555489849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185163286.

The product of its digits is 10368000, while the sum is 57.

The square root of 555489849 is about 23568.8321518059. The cubic root of 555489849 is about 822.0382809056.

The spelling of 555489849 in words is "five hundred fifty-five million, four hundred eighty-nine thousand, eight hundred forty-nine".