557483827 has 2 divisors, whose sum is σ = 557483828. Its totient is φ = 557483826.

The previous prime is 557483813. The next prime is 557483831. The reversal of 557483827 is 728384755.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557483827 is a prime.

It is not a weakly prime, because it can be changed into another prime (557483837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278741913 + 278741914.

It is an arithmetic number, because the mean of its divisors is an integer number (278741914).

Almost surely, 2^557483827 is an apocalyptic number.

557483827 is a deficient number, since it is larger than the sum of its proper divisors (1).

557483827 is an equidigital number, since it uses as much as digits as its factorization.

557483827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 49.

The square root of 557483827 is about 23611.0954214327. The cubic root of 557483827 is about 823.0206984308.

It can be divided in two parts, 5574 and 83827, that added together give a square (89401 = 299²).

The spelling of 557483827 in words is "five hundred fifty-seven million, four hundred eighty-three thousand, eight hundred twenty-seven".