55000110105550 has 12 divisors (see below), whose sum is σ = 102300204796416. Its totient is φ = 22000044042200.

The previous prime is 55000110105547. The next prime is 55000110105631. The reversal of 55000110105550 is 5550101100055.

It is a super-2 number, since 2×55000110105550² (a number of 28 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 5 ways as a sum of consecutive naturals, for example, 550001101006 + ... + 550001101105.

It is an arithmetic number, because the mean of its divisors is an integer number (8525017066368).

Almost surely, 2^{55000110105550} is an apocalyptic number.

55000110105550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55000110105550 is a deficient number, since it is larger than the sum of its proper divisors (47300094690866).

55000110105550 is a wasteful number, since it uses less digits than its factorization.

55000110105550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100002202123 (or 1100002202118 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 55000110105550 in words is "fifty-five trillion, one hundred ten million, one hundred five thousand, five hundred fifty".