55324665 has 24 divisors (see below), whose sum is σ = 104614848. Its totient is φ = 26823840.

The previous prime is 55324609. The next prime is 55324673. The reversal of 55324665 is 56642355.

It is a happy number.

55324665 is a `hidden beast` number, since 553 + 2 + 46 + 65 = 666.

It is not a de Polignac number, because 55324665 - 2⁶ = 55324601 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55389 + ... + 56378.

It is an arithmetic number, because the mean of its divisors is an integer number (4358952).

Almost surely, 2^55324665 is an apocalyptic number.

55324665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55324665 is a deficient number, since it is larger than the sum of its proper divisors (49290183).

55324665 is a wasteful number, since it uses less digits than its factorization.

55324665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111789 (or 111786 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 55324665 is about 7438.0551893623. The cubic root of 55324665 is about 381.0420727713.

The spelling of 55324665 in words is "fifty-five million, three hundred twenty-four thousand, six hundred sixty-five".