54640424 has 8 divisors (see below), whose sum is σ = 102450810. Its totient is φ = 27320208.

The previous prime is 54640381. The next prime is 54640451. The reversal of 54640424 is 42404645.

It is a happy number.

54640424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53027524 + 1612900 = 7282^2 + 1270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3415019 + ... + 3415034.

Almost surely, 2^54640424 is an apocalyptic number.

It is an amenable number.

54640424 is a deficient number, since it is larger than the sum of its proper divisors (47810386).

54640424 is a wasteful number, since it uses less digits than its factorization.

54640424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830059 (or 6830055 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 54640424 is about 7391.9161250653. The cubic root of 54640424 is about 379.4646755796.

The spelling of 54640424 in words is "fifty-four million, six hundred forty thousand, four hundred twenty-four".