552620242 has 4 divisors (see below), whose sum is σ = 828930366. Its totient is φ = 276310120.

The previous prime is 552620227. The next prime is 552620251. The reversal of 552620242 is 242026255.

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

It can be written as a sum of positive squares in only one way, i.e., 315737361 + 236882881 = 17769^2 + 15391^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 552620242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138155059 + ... + 138155062.

Almost surely, 2^552620242 is an apocalyptic number.

552620242 is a deficient number, since it is larger than the sum of its proper divisors (276310124).

552620242 is a wasteful number, since it uses less digits than its factorization.

552620242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276310123.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 552620242 is about 23507.8761694884. The cubic root of 552620242 is about 820.6203129004.

Adding to 552620242 its reverse (242026255), we get a palindrome (794646497).

The spelling of 552620242 in words is "five hundred fifty-two million, six hundred twenty thousand, two hundred forty-two".