55678172 has 24 divisors (see below), whose sum is σ = 106643712. Its totient is φ = 25225200.

The previous prime is 55678159. The next prime is 55678187. The reversal of 55678172 is 27187655.

55678172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55678172³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 12653 + ... + 16475.

It is an arithmetic number, because the mean of its divisors is an integer number (4443488).

Almost surely, 2^55678172 is an apocalyptic number.

It is an amenable number.

55678172 is a deficient number, since it is larger than the sum of its proper divisors (50965540).

55678172 is a wasteful number, since it uses less digits than its factorization.

55678172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169 (or 4167 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

The square root of 55678172 is about 7461.7807526086. The cubic root of 55678172 is about 381.8519294915.

The spelling of 55678172 in words is "fifty-five million, six hundred seventy-eight thousand, one hundred seventy-two".