54775866 has 16 divisors (see below), whose sum is σ = 109886688. Its totient is φ = 18202800.

The previous prime is 54775829. The next prime is 54775883. The reversal of 54775866 is 66857745.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11805 + ... + 15776.

It is an arithmetic number, because the mean of its divisors is an integer number (6867918).

Almost surely, 2^54775866 is an apocalyptic number.

54775866 is an abundant number, since it is smaller than the sum of its proper divisors (55110822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54775866 is a wasteful number, since it uses less digits than its factorization.

54775866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27917.

The product of its digits is 1411200, while the sum is 48.

The square root of 54775866 is about 7401.0719493868. The cubic root of 54775866 is about 379.7779543030. Note that the first 3 decimals are identical.

The spelling of 54775866 in words is "fifty-four million, seven hundred seventy-five thousand, eight hundred sixty-six".