555487 has 2 divisors, whose sum is σ = 555488. Its totient is φ = 555486.

The previous prime is 555461. The next prime is 555491. The reversal of 555487 is 784555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555487 - 2¹¹ = 553439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277743 + 277744.

It is an arithmetic number, because the mean of its divisors is an integer number (277744).

2⁵⁵⁵⁴⁸⁷ is an apocalyptic number.

555487 is a deficient number, since it is larger than the sum of its proper divisors (1).

555487 is an equidigital number, since it uses as much as digits as its factorization.

555487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28000, while the sum is 34.

The square root of 555487 is about 745.3100026164. The cubic root of 555487 is about 82.2036875545.

It can be divided in two parts, 55548 and 7, that added together give a palindrome (55555).

The spelling of 555487 in words is "five hundred fifty-five thousand, four hundred eighty-seven".