54055665 has 48 divisors (see below), whose sum is σ = 104457600. Its totient is φ = 25698816.

The previous prime is 54055657. The next prime is 54055669. The reversal of 54055665 is 56655045.

It is a happy number.

54055665 is a `hidden beast` number, since 5 + 40 + 556 + 65 = 666.

It is not a de Polignac number, because 54055665 - 2³ = 54055657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54055669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12676 + ... + 16394.

It is an arithmetic number, because the mean of its divisors is an integer number (2176200).

Almost surely, 2^54055665 is an apocalyptic number.

It is an amenable number.

54055665 is a deficient number, since it is larger than the sum of its proper divisors (50401935).

54055665 is a wasteful number, since it uses less digits than its factorization.

54055665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766 (or 3763 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 54055665 is about 7352.2557762907. The cubic root of 54055665 is about 378.1061472284.

The spelling of 54055665 in words is "fifty-four million, fifty-five thousand, six hundred sixty-five".