55217327 has 16 divisors (see below), whose sum is σ = 61471872. Its totient is φ = 49180320.

The previous prime is 55217321. The next prime is 55217353. The reversal of 55217327 is 72371255.

It is a cyclic number.

It is not a de Polignac number, because 55217327 - 2⁴ = 55217311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55217293 and 55217302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55217321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179708 + ... + 180014.

It is an arithmetic number, because the mean of its divisors is an integer number (3841992).

Almost surely, 2^55217327 is an apocalyptic number.

55217327 is a deficient number, since it is larger than the sum of its proper divisors (6254545).

55217327 is a wasteful number, since it uses less digits than its factorization.

55217327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

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

The square root of 55217327 is about 7430.8362248135. The cubic root of 55217327 is about 380.7954873143.

The spelling of 55217327 in words is "fifty-five million, two hundred seventeen thousand, three hundred twenty-seven".