555505499990 has 16 divisors (see below), whose sum is σ = 1142754171552. Its totient is φ = 190459028544.

The previous prime is 555505499977. The next prime is 555505499993. The reversal of 555505499990 is 99994505555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555505499993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3967896359 + ... + 3967896498.

It is an arithmetic number, because the mean of its divisors is an integer number (71422135722).

Almost surely, 2^555505499990 is an apocalyptic number.

555505499990 is an abundant number, since it is smaller than the sum of its proper divisors (587248671562).

555505499990 is a wasteful number, since it uses less digits than its factorization.

555505499990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935792871.

The product of its (nonzero) digits is 82012500, while the sum is 65.

The spelling of 555505499990 in words is "five hundred fifty-five billion, five hundred five million, four hundred ninety-nine thousand, nine hundred ninety".