555550472387 has 2 divisors, whose sum is σ = 555550472388. Its totient is φ = 555550472386.

The previous prime is 555550472377. The next prime is 555550472413. The reversal of 555550472387 is 783274055555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555550472387 - 2⁸ = 555550472131 is a prime.

It is not a weakly prime, because it can be changed into another prime (555550472327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277775236193 + 277775236194.

It is an arithmetic number, because the mean of its divisors is an integer number (277775236194).

Almost surely, 2^555550472387 is an apocalyptic number.

555550472387 is a deficient number, since it is larger than the sum of its proper divisors (1).

555550472387 is an equidigital number, since it uses as much as digits as its factorization.

555550472387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400000, while the sum is 56.

The spelling of 555550472387 in words is "five hundred fifty-five billion, five hundred fifty million, four hundred seventy-two thousand, three hundred eighty-seven".