555010987 has 2 divisors, whose sum is σ = 555010988. Its totient is φ = 555010986.

The previous prime is 555010969. The next prime is 555010991. The reversal of 555010987 is 789010555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555010987 - 2¹¹ = 555008939 is a prime.

It is not a weakly prime, because it can be changed into another prime (555010997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277505493 + 277505494.

It is an arithmetic number, because the mean of its divisors is an integer number (277505494).

Almost surely, 2^555010987 is an apocalyptic number.

555010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

555010987 is an equidigital number, since it uses as much as digits as its factorization.

555010987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 40.

The square root of 555010987 is about 23558.6711637138. The cubic root of 555010987 is about 821.8019993222.

The spelling of 555010987 in words is "five hundred fifty-five million, ten thousand, nine hundred eighty-seven".