55481912 has 8 divisors (see below), whose sum is σ = 104028600. Its totient is φ = 27740952.

The previous prime is 55481893. The next prime is 55481927. The reversal of 55481912 is 21918455.

55481912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 3467612 + ... + 3467627.

It is an arithmetic number, because the mean of its divisors is an integer number (13003575).

Almost surely, 2^55481912 is an apocalyptic number.

It is an amenable number.

55481912 is a deficient number, since it is larger than the sum of its proper divisors (48546688).

55481912 is a wasteful number, since it uses less digits than its factorization.

55481912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935245 (or 6935241 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 55481912 is about 7448.6181268743. The cubic root of 55481912 is about 381.4027379771.

The spelling of 55481912 in words is "fifty-five million, four hundred eighty-one thousand, nine hundred twelve".