555305042 has 8 divisors (see below), whose sum is σ = 833105532. Its totient is φ = 277603200.

The previous prime is 555305041. The next prime is 555305057. The reversal of 555305042 is 240503555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 426050881 + 129254161 = 20641^2 + 11369^2 .

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 = 555304996 and 555305014.

It is not an unprimeable number, because it can be changed into a prime (555305041) 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, 8459 + ... + 34382.

Almost surely, 2^555305042 is an apocalyptic number.

555305042 is a deficient number, since it is larger than the sum of its proper divisors (277800490).

555305042 is a wasteful number, since it uses less digits than its factorization.

555305042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49324.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 555305042 is about 23564.9112453241. The cubic root of 555305042 is about 821.9471089551.

Adding to 555305042 its reverse (240503555), we get a palindrome (795808597).

The spelling of 555305042 in words is "five hundred fifty-five million, three hundred five thousand, forty-two".