555490787 has 2 divisors, whose sum is σ = 555490788. Its totient is φ = 555490786.

The previous prime is 555490777. The next prime is 555490867. The reversal of 555490787 is 787094555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555490787 - 2¹⁰ = 555489763 is a prime.

It is not a weakly prime, because it can be changed into another prime (555490757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277745393 + 277745394.

It is an arithmetic number, because the mean of its divisors is an integer number (277745394).

Almost surely, 2^555490787 is an apocalyptic number.

555490787 is a deficient number, since it is larger than the sum of its proper divisors (1).

555490787 is an equidigital number, since it uses as much as digits as its factorization.

555490787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764000, while the sum is 50.

The square root of 555490787 is about 23568.8520509591. The cubic root of 555490787 is about 822.0387436032.

The spelling of 555490787 in words is "five hundred fifty-five million, four hundred ninety thousand, seven hundred eighty-seven".