105504543 has 12 divisors (see below), whose sum is σ = 152513088. Its totient is φ = 70282080.

The previous prime is 105504527. The next prime is 105504559. The reversal of 105504543 is 345405501.

105504543 is a `hidden beast` number, since 105 + 504 + 54 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (105504527) and next prime (105504559).

It is not a de Polignac number, because 105504543 - 2⁴ = 105504527 is a prime.

It is a super-2 number, since 2×105504543² = 22262417187277698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105504583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10363 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (12709424).

Almost surely, 2^105504543 is an apocalyptic number.

105504543 is a deficient number, since it is larger than the sum of its proper divisors (47008545).

105504543 is a wasteful number, since it uses less digits than its factorization.

105504543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054 (or 9051 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 105504543 is about 10271.5404394862. The cubic root of 105504543 is about 472.5238351964.

The spelling of 105504543 in words is "one hundred five million, five hundred four thousand, five hundred forty-three".