55845472 has 36 divisors (see below), whose sum is σ = 114968700. Its totient is φ = 26700608.

The previous prime is 55845451. The next prime is 55845487. The reversal of 55845472 is 27454855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15279 + ... + 18577.

It is an arithmetic number, because the mean of its divisors is an integer number (3193575).

Almost surely, 2^55845472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55845472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57484350).

55845472 is an abundant number, since it is smaller than the sum of its proper divisors (59123228).

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

55845472 is a wasteful number, since it uses less digits than its factorization.

55845472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355 (or 3324 counting only the distinct ones).

The product of its digits is 224000, while the sum is 40.

The square root of 55845472 is about 7472.9828047440. The cubic root of 55845472 is about 382.2340059064.

The spelling of 55845472 in words is "fifty-five million, eight hundred forty-five thousand, four hundred seventy-two".