1000550050055 has 16 divisors (see below), whose sum is σ = 1207919623680. Its totient is φ = 795600887712.

The previous prime is 1000550050051. The next prime is 1000550050099. The reversal of 1000550050055 is 5500500550001.

It is a cyclic number.

It is not a de Polignac number, because 1000550050055 - 2² = 1000550050051 is a prime.

It is a super-2 number, since 2×1000550050055² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000550050051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26800712 + ... + 26838018.

It is an arithmetic number, because the mean of its divisors is an integer number (75494976480).

Almost surely, 2^{1000550050055} is an apocalyptic number.

1000550050055 is a deficient number, since it is larger than the sum of its proper divisors (207369573625).

1000550050055 is a wasteful number, since it uses less digits than its factorization.

1000550050055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69598.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 1000550050055 in words is "one trillion, five hundred fifty million, fifty thousand, fifty-five".