55678872 has 16 divisors (see below), whose sum is σ = 139197240. Its totient is φ = 18559616.

The previous prime is 55678871. The next prime is 55678907. The reversal of 55678872 is 27887655.

55678872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55678871) 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, 1159953 + ... + 1160000.

Almost surely, 2^55678872 is an apocalyptic number.

It is an amenable number.

55678872 is an abundant number, since it is smaller than the sum of its proper divisors (83518368).

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

55678872 is a wasteful number, since it uses less digits than its factorization.

55678872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319962 (or 2319958 counting only the distinct ones).

The product of its digits is 940800, while the sum is 48.

The square root of 55678872 is about 7461.8276581545. The cubic root of 55678872 is about 381.8535297310.

The spelling of 55678872 in words is "fifty-five million, six hundred seventy-eight thousand, eight hundred seventy-two".