5555611105550 has 96 divisors (see below), whose sum is σ = 11386803010464. Its totient is φ = 1999807040000.

The previous prime is 5555611105501. The next prime is 5555611105571. The reversal of 5555611105550 is 555011165555.

It is a super-2 number, since 2×5555611105550² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 430894904 + ... + 430907796.

It is an arithmetic number, because the mean of its divisors is an integer number (118612531359).

Almost surely, 2^{5555611105550} is an apocalyptic number.

5555611105550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5555611105550 is an abundant number, since it is smaller than the sum of its proper divisors (5831191904914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5555611105550 is a wasteful number, since it uses less digits than its factorization.

5555611105550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20774 (or 20769 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 44.

The spelling of 5555611105550 in words is "five trillion, five hundred fifty-five billion, six hundred eleven million, one hundred five thousand, five hundred fifty".