55183717 has 4 divisors (see below), whose sum is σ = 58429836. Its totient is φ = 51937600.

The previous prime is 55183699. The next prime is 55183721. The reversal of 55183717 is 71738155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71738155 = 5 ⋅14347631.

It can be written as a sum of positive squares in 2 ways, for example, as 51179716 + 4004001 = 7154^2 + 2001^2 .

It is a cyclic number.

It is not a de Polignac number, because 55183717 - 2²³ = 46795109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55183727) 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, 1623034 + ... + 1623067.

It is an arithmetic number, because the mean of its divisors is an integer number (14607459).

Almost surely, 2^55183717 is an apocalyptic number.

It is an amenable number.

55183717 is a deficient number, since it is larger than the sum of its proper divisors (3246119).

55183717 is a wasteful number, since it uses less digits than its factorization.

55183717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246118.

The product of its digits is 29400, while the sum is 37.

The square root of 55183717 is about 7428.5743585159. The cubic root of 55183717 is about 380.7182100376.

The spelling of 55183717 in words is "fifty-five million, one hundred eighty-three thousand, seven hundred seventeen".