55856872 has 16 divisors (see below), whose sum is σ = 105487200. Its totient is φ = 27726960.

The previous prime is 55856869. The next prime is 55856873. The reversal of 55856872 is 27865855.

55856872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55856873) 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 in 3 ways as a sum of consecutive naturals, for example, 24004 + ... + 26227.

It is an arithmetic number, because the mean of its divisors is an integer number (6592950).

Almost surely, 2^55856872 is an apocalyptic number.

It is an amenable number.

55856872 is a deficient number, since it is larger than the sum of its proper divisors (49630328).

55856872 is a wasteful number, since it uses less digits than its factorization.

55856872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50376 (or 50372 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The square root of 55856872 is about 7473.7455134624. The cubic root of 55856872 is about 382.2600132145.

The spelling of 55856872 in words is "fifty-five million, eight hundred fifty-six thousand, eight hundred seventy-two".