556533827 has 4 divisors (see below), whose sum is σ = 557079936. Its totient is φ = 555987720.

The previous prime is 556533689. The next prime is 556533839. The reversal of 556533827 is 728335655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556533827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556533127) 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, 271523 + ... + 273564.

It is an arithmetic number, because the mean of its divisors is an integer number (139269984).

Almost surely, 2^556533827 is an apocalyptic number.

556533827 is a deficient number, since it is larger than the sum of its proper divisors (546109).

556533827 is a wasteful number, since it uses less digits than its factorization.

556533827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546108.

The product of its digits is 756000, while the sum is 44.

The square root of 556533827 is about 23590.9691831429. The cubic root of 556533827 is about 822.5529334656.

The spelling of 556533827 in words is "five hundred fifty-six million, five hundred thirty-three thousand, eight hundred twenty-seven".