83555841 has 4 divisors (see below), whose sum is σ = 111407792. Its totient is φ = 55703892.

The previous prime is 83555839. The next prime is 83555869. The reversal of 83555841 is 14855538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 83555841 - 2¹ = 83555839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83555841.

It is not an unprimeable number, because it can be changed into a prime (83555821) 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, 13925971 + ... + 13925976.

It is an arithmetic number, because the mean of its divisors is an integer number (27851948).

Almost surely, 2^83555841 is an apocalyptic number.

It is an amenable number.

83555841 is a deficient number, since it is larger than the sum of its proper divisors (27851951).

83555841 is a wasteful number, since it uses less digits than its factorization.

83555841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27851950.

The product of its digits is 96000, while the sum is 39.

The square root of 83555841 is about 9140.8884141532. Note that the first 3 decimals coincide. The cubic root of 83555841 is about 437.1786435768.

It can be divided in two parts, 8355 and 5841, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 83555841 in words is "eighty-three million, five hundred fifty-five thousand, eight hundred forty-one".