556283338945 has 4 divisors (see below), whose sum is σ = 667540006740. Its totient is φ = 445026671152.

The previous prime is 556283338943. The next prime is 556283338979. The reversal of 556283338945 is 549833382655.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 422186758081 + 134096580864 = 649759^2 + 366192^2 .

It is a cyclic number.

It is not a de Polignac number, because 556283338945 - 2¹ = 556283338943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556283338943) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 55628333890 + ... + 55628333899.

It is an arithmetic number, because the mean of its divisors is an integer number (166885001685).

Almost surely, 2^556283338945 is an apocalyptic number.

It is an amenable number.

556283338945 is a deficient number, since it is larger than the sum of its proper divisors (111256667795).

556283338945 is a wasteful number, since it uses less digits than its factorization.

556283338945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111256667794.

The product of its digits is 93312000, while the sum is 61.

The spelling of 556283338945 in words is "five hundred fifty-six billion, two hundred eighty-three million, three hundred thirty-eight thousand, nine hundred forty-five".