99544043 has 4 divisors (see below), whose sum is σ = 100065408. Its totient is φ = 99022680.

The previous prime is 99544031. The next prime is 99544057. The reversal of 99544043 is 34044599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99544043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99543988 and 99544006.

It is not an unprimeable number, because it can be changed into a prime (99544243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260396 + ... + 260777.

It is an arithmetic number, because the mean of its divisors is an integer number (25016352).

Almost surely, 2^99544043 is an apocalyptic number.

99544043 is a deficient number, since it is larger than the sum of its proper divisors (521365).

99544043 is a wasteful number, since it uses less digits than its factorization.

99544043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521364.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 99544043 is about 9977.1761034874. The cubic root of 99544043 is about 463.4523534733.

The spelling of 99544043 in words is "ninety-nine million, five hundred forty-four thousand, forty-three".