54475668 has 72 divisors (see below), whose sum is σ = 151799648. Its totient is φ = 16365888.

The previous prime is 54475657. The next prime is 54475691. The reversal of 54475668 is 86657445.

It is a congruent number.

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, 18771 + ... + 21477.

Almost surely, 2^54475668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54475668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75899824).

54475668 is an abundant number, since it is smaller than the sum of its proper divisors (97323980).

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

54475668 is a wasteful number, since it uses less digits than its factorization.

54475668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2768 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 54475668 is about 7380.7633751530. The cubic root of 54475668 is about 379.0828945926.

The spelling of 54475668 in words is "fifty-four million, four hundred seventy-five thousand, six hundred sixty-eight".