54666920 has 64 divisors (see below), whose sum is σ = 153360000. Its totient is φ = 17038080.

The previous prime is 54666881. The next prime is 54666923. The reversal of 54666920 is 2966645.

It is not an unprimeable number, because it can be changed into a prime (54666923) 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, 5795 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (2396250).

Almost surely, 2^54666920 is an apocalyptic number.

It is an amenable number.

54666920 is an abundant number, since it is smaller than the sum of its proper divisors (98693080).

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

54666920 is a wasteful number, since it uses less digits than its factorization.

54666920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17778 (or 17774 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 54666920 is about 7393.7081359762. The cubic root of 54666920 is about 379.5260017955.

The spelling of 54666920 in words is "fifty-four million, six hundred sixty-six thousand, nine hundred twenty".