1001006055 has 48 divisors (see below), whose sum is σ = 2023444800. Its totient is φ = 457595712.

The previous prime is 1001006033. The next prime is 1001006099. The reversal of 1001006055 is 5506001001.

It is not a de Polignac number, because 1001006055 - 2⁶ = 1001005991 is a prime.

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, 16992 + ... + 47861.

It is an arithmetic number, because the mean of its divisors is an integer number (42155100).

Almost surely, 2^1001006055 is an apocalyptic number.

1001006055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1001006055 is an abundant number, since it is smaller than the sum of its proper divisors (1022438745).

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

1001006055 is an equidigital number, since it uses as much as digits as its factorization.

1001006055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64885 (or 64868 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1001006055 is about 31638.6797290911. The cubic root of 1001006055 is about 1000.3352392687.

Adding to 1001006055 its reverse (5506001001), we get a palindrome (6507007056).

The spelling of 1001006055 in words is "one billion, one million, six thousand, fifty-five".