555649142 has 4 divisors (see below), whose sum is σ = 833473716. Its totient is φ = 277824570.

The previous prime is 555649117. The next prime is 555649147. The reversal of 555649142 is 241946555.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 555649142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555649147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138912284 + ... + 138912287.

It is an arithmetic number, because the mean of its divisors is an integer number (208368429).

Almost surely, 2^555649142 is an apocalyptic number.

555649142 is a deficient number, since it is larger than the sum of its proper divisors (277824574).

555649142 is a wasteful number, since it uses less digits than its factorization.

555649142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277824573.

The product of its digits is 216000, while the sum is 41.

The square root of 555649142 is about 23572.2112242360. The cubic root of 555649142 is about 822.1168496556.

The spelling of 555649142 in words is "five hundred fifty-five million, six hundred forty-nine thousand, one hundred forty-two".