556055233 has 4 divisors (see below), whose sum is σ = 556231300. Its totient is φ = 555879168.

The previous prime is 556055219. The next prime is 556055239. The reversal of 556055233 is 332550655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332550655 = 5 ⋅66510131.

It can be written as a sum of positive squares in 2 ways, for example, as 296941824 + 259113409 = 17232^2 + 16097^2 .

It is a cyclic number.

It is not a de Polignac number, because 556055233 - 2²¹ = 553958081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556055239) 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, 83208 + ... + 89641.

It is an arithmetic number, because the mean of its divisors is an integer number (139057825).

Almost surely, 2^556055233 is an apocalyptic number.

It is an amenable number.

556055233 is a deficient number, since it is larger than the sum of its proper divisors (176067).

556055233 is a wasteful number, since it uses less digits than its factorization.

556055233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176066.

The product of its (nonzero) digits is 67500, while the sum is 34.

The square root of 556055233 is about 23580.8234164967. The cubic root of 556055233 is about 822.3170796988.

The spelling of 556055233 in words is "five hundred fifty-six million, fifty-five thousand, two hundred thirty-three".