55847872 has 14 divisors (see below), whose sum is σ = 110823248. Its totient is φ = 27923904.

The previous prime is 55847867. The next prime is 55847903. The reversal of 55847872 is 27874855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436248 + ... + 436375.

Almost surely, 2^55847872 is an apocalyptic number.

It is an amenable number.

55847872 is a deficient number, since it is larger than the sum of its proper divisors (54975376).

55847872 is an equidigital number, since it uses as much as digits as its factorization.

55847872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872635 (or 872625 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The square root of 55847872 is about 7473.1433814694. The cubic root of 55847872 is about 382.2394814232.

It can be divided in two parts, 5584 and 7872, that added together give a square (13456 = 116²).

The spelling of 55847872 in words is "fifty-five million, eight hundred forty-seven thousand, eight hundred seventy-two".