56100043 has 4 divisors (see below), whose sum is σ = 56117560. Its totient is φ = 56082528.

The previous prime is 56100041. The next prime is 56100061. The reversal of 56100043 is 34000165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34000165 = 5 ⋅6800033.

It is a cyclic number.

It is not a de Polignac number, because 56100043 - 2¹ = 56100041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2430 + ... + 10867.

It is an arithmetic number, because the mean of its divisors is an integer number (14029390).

Almost surely, 2^56100043 is an apocalyptic number.

56100043 is a deficient number, since it is larger than the sum of its proper divisors (17517).

56100043 is a wasteful number, since it uses less digits than its factorization.

56100043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17516.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 56100043 is about 7489.9961949256. The cubic root of 56100043 is about 382.8139288454.

The spelling of 56100043 in words is "fifty-six million, one hundred thousand, forty-three".