55448536 has 64 divisors (see below), whose sum is σ = 128620800. Its totient is φ = 22032000.

The previous prime is 55448507. The next prime is 55448563. The reversal of 55448536 is 63584455.

55448536 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 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 15 ways as a sum of consecutive naturals, for example, 20461 + ... + 23011.

It is an arithmetic number, because the mean of its divisors is an integer number (2009700).

Almost surely, 2^55448536 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 55448536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64310400).

55448536 is an abundant number, since it is smaller than the sum of its proper divisors (73172264).

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

55448536 is a wasteful number, since it uses less digits than its factorization.

55448536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600 (or 2596 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 55448536 is about 7446.3773742673. The cubic root of 55448536 is about 381.3262430694.

The spelling of 55448536 in words is "fifty-five million, four hundred forty-eight thousand, five hundred thirty-six".