55682089 has 4 divisors (see below), whose sum is σ = 58957524. Its totient is φ = 52406656.

The previous prime is 55682087. The next prime is 55682093. The reversal of 55682089 is 98028655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98028655 = 5 ⋅19605731.

It can be written as a sum of positive squares in 2 ways, for example, as 21949225 + 33732864 = 4685^2 + 5808^2 .

It is a cyclic number.

It is not a de Polignac number, because 55682089 - 2¹ = 55682087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55682083) 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, 1637692 + ... + 1637725.

It is an arithmetic number, because the mean of its divisors is an integer number (14739381).

Almost surely, 2^55682089 is an apocalyptic number.

It is an amenable number.

55682089 is a deficient number, since it is larger than the sum of its proper divisors (3275435).

55682089 is a wasteful number, since it uses less digits than its factorization.

55682089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275434.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 55682089 is about 7462.0432188510. The cubic root of 55682089 is about 381.8608838021.

The spelling of 55682089 in words is "fifty-five million, six hundred eighty-two thousand, eighty-nine".