101000055 has 16 divisors (see below), whose sum is σ = 174031200. Its totient is φ = 49723008.

The previous prime is 101000051. The next prime is 101000057. The reversal of 101000055 is 550000101.

It is not a de Polignac number, because 101000055 - 2² = 101000051 is a prime.

It is a super-2 number, since 2×101000055² = 20402022220006050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101000055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258780 + ... + 259169.

It is an arithmetic number, because the mean of its divisors is an integer number (10876950).

Almost surely, 2^101000055 is an apocalyptic number.

101000055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101000055 is a deficient number, since it is larger than the sum of its proper divisors (73031145).

101000055 is a wasteful number, since it uses less digits than its factorization.

101000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517970.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 101000055 is about 10049.8783574728. The cubic root of 101000055 is about 465.7010353135.

Adding to 101000055 its reverse (550000101), we get a palindrome (651000156).

The spelling of 101000055 in words is "one hundred one million, fifty-five", and thus it is an aban number.