55447156 has 12 divisors (see below), whose sum is σ = 97156192. Its totient is φ = 27688248.

The previous prime is 55447153. The next prime is 55447193. The reversal of 55447156 is 65174455.

It is a happy number.

55447156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55447153) 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, 5130 + ... + 11713.

Almost surely, 2^55447156 is an apocalyptic number.

It is an amenable number.

55447156 is a deficient number, since it is larger than the sum of its proper divisors (41709036).

55447156 is a wasteful number, since it uses less digits than its factorization.

55447156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670 (or 17668 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 55447156 is about 7446.2847111832. The cubic root of 55447156 is about 381.3230795679.

The spelling of 55447156 in words is "fifty-five million, four hundred forty-seven thousand, one hundred fifty-six".