83556049 has 4 divisors (see below), whose sum is σ = 83716336. Its totient is φ = 83395764.

The previous prime is 83556043. The next prime is 83556061. The reversal of 83556049 is 94065538.

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 a cyclic number.

It is not a de Polignac number, because 83556049 - 2³ = 83556041 is a prime.

It is a super-2 number, since 2×83556049² = 13963226648980802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83556041) 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 3 ways as a sum of consecutive naturals, for example, 79359 + ... + 80404.

It is an arithmetic number, because the mean of its divisors is an integer number (20929084).

Almost surely, 2^83556049 is an apocalyptic number.

It is an amenable number.

83556049 is a deficient number, since it is larger than the sum of its proper divisors (160287).

83556049 is a wasteful number, since it uses less digits than its factorization.

83556049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160286.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 83556049 is about 9140.8997915960. The cubic root of 83556049 is about 437.1790063405.

The spelling of 83556049 in words is "eighty-three million, five hundred fifty-six thousand, forty-nine".