100530055 has 16 divisors (see below), whose sum is σ = 125503488. Its totient is φ = 77220000.

The previous prime is 100530049. The next prime is 100530071. The reversal of 100530055 is 550035001.

It is not a de Polignac number, because 100530055 - 2²¹ = 98432903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17830 + ... + 22780.

It is an arithmetic number, because the mean of its divisors is an integer number (7843968).

Almost surely, 2^100530055 is an apocalyptic number.

100530055 is a deficient number, since it is larger than the sum of its proper divisors (24973433).

100530055 is a wasteful number, since it uses less digits than its factorization.

100530055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 100530055 is about 10026.4677229820. The cubic root of 100530055 is about 464.9775377441.

Adding to 100530055 its reverse (550035001), we get a palindrome (650565056).

The spelling of 100530055 in words is "one hundred million, five hundred thirty thousand, fifty-five".