55227317 has 4 divisors (see below), whose sum is σ = 55249836. Its totient is φ = 55204800.

The previous prime is 55227313. The next prime is 55227331. The reversal of 55227317 is 71372255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71372255 = 5 ⋅14274451.

It can be written as a sum of positive squares in 2 ways, for example, as 13830961 + 41396356 = 3719^2 + 6434^2 .

It is a cyclic number.

It is not a de Polignac number, because 55227317 - 2² = 55227313 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 (55227311) 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, 7058 + ... + 12659.

It is an arithmetic number, because the mean of its divisors is an integer number (13812459).

Almost surely, 2^55227317 is an apocalyptic number.

It is an amenable number.

55227317 is a deficient number, since it is larger than the sum of its proper divisors (22519).

55227317 is a wasteful number, since it uses less digits than its factorization.

55227317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22518.

The product of its digits is 14700, while the sum is 32.

The square root of 55227317 is about 7431.5083933210. The cubic root of 55227317 is about 380.8184506226.

The spelling of 55227317 in words is "fifty-five million, two hundred twenty-seven thousand, three hundred seventeen".