555948623 has 2 divisors, whose sum is σ = 555948624. Its totient is φ = 555948622.

The previous prime is 555948611. The next prime is 555948713. The reversal of 555948623 is 326849555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555948623 - 2¹⁸ = 555686479 is a prime.

It is a super-2 number, since 2×555948623² = 618157742831192258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555948923) 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, 277974311 + 277974312.

It is an arithmetic number, because the mean of its divisors is an integer number (277974312).

Almost surely, 2^555948623 is an apocalyptic number.

555948623 is a deficient number, since it is larger than the sum of its proper divisors (1).

555948623 is an equidigital number, since it uses as much as digits as its factorization.

555948623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 47.

The square root of 555948623 is about 23578.5627848688. The cubic root of 555948623 is about 822.2645232728.

The spelling of 555948623 in words is "five hundred fifty-five million, nine hundred forty-eight thousand, six hundred twenty-three".