54387856 has 10 divisors (see below), whose sum is σ = 105376502. Its totient is φ = 27193920.

The previous prime is 54387841. The next prime is 54387859. The reversal of 54387856 is 65878345.

54387856 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., 31539456 + 22848400 = 5616^2 + 4780^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54387859) by changing a digit.

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, 1699605 + ... + 1699636.

Almost surely, 2^54387856 is an apocalyptic number.

It is an amenable number.

54387856 is a deficient number, since it is larger than the sum of its proper divisors (50988646).

54387856 is a wasteful number, since it uses less digits than its factorization.

54387856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399249 (or 3399243 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 54387856 is about 7374.8122687971. The cubic root of 54387856 is about 378.8790976156.

The spelling of 54387856 in words is "fifty-four million, three hundred eighty-seven thousand, eight hundred fifty-six".