555042487 has 2 divisors, whose sum is σ = 555042488. Its totient is φ = 555042486.

The previous prime is 555042443. The next prime is 555042511. The reversal of 555042487 is 784240555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555042487 - 2¹⁹ = 554518199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555042437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277521243 + 277521244.

It is an arithmetic number, because the mean of its divisors is an integer number (277521244).

Almost surely, 2^555042487 is an apocalyptic number.

555042487 is a deficient number, since it is larger than the sum of its proper divisors (1).

555042487 is an equidigital number, since it uses as much as digits as its factorization.

555042487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 555042487 is about 23559.3396978778. The cubic root of 555042487 is about 821.8175463257.

The spelling of 555042487 in words is "five hundred fifty-five million, forty-two thousand, four hundred eighty-seven".