556060591 has 2 divisors, whose sum is σ = 556060592. Its totient is φ = 556060590.

The previous prime is 556060543. The next prime is 556060597. The reversal of 556060591 is 195060655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556060591 - 2¹⁷ = 555929519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556060591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556060597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278030295 + 278030296.

It is an arithmetic number, because the mean of its divisors is an integer number (278030296).

Almost surely, 2^556060591 is an apocalyptic number.

556060591 is a deficient number, since it is larger than the sum of its proper divisors (1).

556060591 is an equidigital number, since it uses as much as digits as its factorization.

556060591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 556060591 is about 23580.9370254873. The cubic root of 556060591 is about 822.3197208997.

The spelling of 556060591 in words is "five hundred fifty-six million, sixty thousand, five hundred ninety-one".