54567440 has 40 divisors (see below), whose sum is σ = 130967808. Its totient is φ = 21121920.

The previous prime is 54567439. The next prime is 54567451. The reversal of 54567440 is 4476545.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 54567440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8522 + ... + 13481.

Almost surely, 2^54567440 is an apocalyptic number.

It is an amenable number.

54567440 is an abundant number, since it is smaller than the sum of its proper divisors (76400368).

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

54567440 is a wasteful number, since it uses less digits than its factorization.

54567440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22047 (or 22041 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 54567440 is about 7386.9777311158. The cubic root of 54567440 is about 379.2956481586.

The spelling of 54567440 in words is "fifty-four million, five hundred sixty-seven thousand, four hundred forty".