100055043 has 24 divisors (see below), whose sum is σ = 160645680. Its totient is φ = 59492160.

The previous prime is 100055029. The next prime is 100055051. The reversal of 100055043 is 340550001.

It is not a de Polignac number, because 100055043 - 2¹³ = 100046851 is a prime.

It is a super-2 number, since 2×100055043² = 20022023259463698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100055003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4288 + ... + 14781.

It is an arithmetic number, because the mean of its divisors is an integer number (6693570).

Almost surely, 2^100055043 is an apocalyptic number.

100055043 is a deficient number, since it is larger than the sum of its proper divisors (60590637).

100055043 is a wasteful number, since it uses less digits than its factorization.

100055043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19139 (or 19136 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 100055043 is about 10002.7517713877. The cubic root of 100055043 is about 464.2440300655.

The spelling of 100055043 in words is "one hundred million, fifty-five thousand, forty-three".