556945733 has 4 divisors (see below), whose sum is σ = 557731980. Its totient is φ = 556159488.

The previous prime is 556945729. The next prime is 556945747. The reversal of 556945733 is 337549655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 337549655 = 5 ⋅67509931.

It can be written as a sum of positive squares in 2 ways, for example, as 278956804 + 277988929 = 16702^2 + 16673^2 .

It is a cyclic number.

It is not a de Polignac number, because 556945733 - 2² = 556945729 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556945703) 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, 392060 + ... + 393477.

It is an arithmetic number, because the mean of its divisors is an integer number (139432995).

Almost surely, 2^556945733 is an apocalyptic number.

It is an amenable number.

556945733 is a deficient number, since it is larger than the sum of its proper divisors (786247).

556945733 is an equidigital number, since it uses as much as digits as its factorization.

556945733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786246.

The product of its digits is 1701000, while the sum is 47.

The square root of 556945733 is about 23599.6977311151. The cubic root of 556945733 is about 822.7558147749.

The spelling of 556945733 in words is "five hundred fifty-six million, nine hundred forty-five thousand, seven hundred thirty-three".