1001055055 has 48 divisors (see below), whose sum is σ = 1641747744. Its totient is φ = 576011520.

The previous prime is 1001055023. The next prime is 1001055061. The reversal of 1001055055 is 5505501001.

It is not a de Polignac number, because 1001055055 - 2⁵ = 1001055023 is a prime.

It is a super-2 number, since 2×1001055055² = 2004222446282106050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20749 + ... + 49321.

It is an arithmetic number, because the mean of its divisors is an integer number (34203078).

Almost surely, 2^1001055055 is an apocalyptic number.

1001055055 is a deficient number, since it is larger than the sum of its proper divisors (640692689).

1001055055 is a wasteful number, since it uses less digits than its factorization.

1001055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28616 (or 28609 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 1001055055 is about 31639.4540882108. The cubic root of 1001055055 is about 1000.3515613901.

Adding to 1001055055 its reverse (5505501001), we get a palindrome (6506556056).

The spelling of 1001055055 in words is "one billion, one million, fifty-five thousand, fifty-five".