100055455 has 16 divisors (see below), whose sum is σ = 129034080. Its totient is φ = 74207232.

The previous prime is 100055441. The next prime is 100055509. The reversal of 100055455 is 554550001.

It is a cyclic number.

It is not a de Polignac number, because 100055455 - 2¹⁹ = 99531167 is a prime.

It is a super-2 number, since 2×100055455² = 20022188150514050, 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 15 ways as a sum of consecutive naturals, for example, 3090 + ... + 14479.

It is an arithmetic number, because the mean of its divisors is an integer number (8064630).

Almost surely, 2^100055455 is an apocalyptic number.

100055455 is a deficient number, since it is larger than the sum of its proper divisors (28978625).

100055455 is a wasteful number, since it uses less digits than its factorization.

100055455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17658.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 100055455 is about 10002.7723656994. The cubic root of 100055455 is about 464.2446672757.

The spelling of 100055455 in words is "one hundred million, fifty-five thousand, four hundred fifty-five".