54209668 has 12 divisors (see below), whose sum is σ = 100447452. Its totient is φ = 25510400.

The previous prime is 54209653. The next prime is 54209693. The reversal of 54209668 is 86690245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45400644 + 8809024 = 6738^2 + 2968^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54209668.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398533 + ... + 398668.

It is an arithmetic number, because the mean of its divisors is an integer number (8370621).

Almost surely, 2^54209668 is an apocalyptic number.

It is an amenable number.

54209668 is a deficient number, since it is larger than the sum of its proper divisors (46237784).

54209668 is a wasteful number, since it uses less digits than its factorization.

54209668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797222 (or 797220 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 54209668 is about 7362.7215077035. The cubic root of 54209668 is about 378.4648778710.

The spelling of 54209668 in words is "fifty-four million, two hundred nine thousand, six hundred sixty-eight".