55322368 has 18 divisors (see below), whose sum is σ = 110429144. Its totient is φ = 27661056.

The previous prime is 55322339. The next prime is 55322387. The reversal of 55322368 is 86322355.

It is a happy number.

It is a super-2 number, since 2×55322368² = 6121128802254848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107796 + ... + 108307.

Almost surely, 2^55322368 is an apocalyptic number.

It is an amenable number.

55322368 is a deficient number, since it is larger than the sum of its proper divisors (55106776).

55322368 is an equidigital number, since it uses as much as digits as its factorization.

55322368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216119 (or 216105 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 55322368 is about 7437.9007791177. The cubic root of 55322368 is about 381.0367992599.

The spelling of 55322368 in words is "fifty-five million, three hundred twenty-two thousand, three hundred sixty-eight".