55545056 has 96 divisors (see below), whose sum is σ = 136120320. Its totient is φ = 21772800.

The previous prime is 55545031. The next prime is 55545067. The reversal of 55545056 is 65054555.

55545056 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, 131726 + ... + 132146.

It is an arithmetic number, because the mean of its divisors is an integer number (1417920).

Almost surely, 2^55545056 is an apocalyptic number.

55545056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55545056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68060160).

55545056 is an abundant number, since it is smaller than the sum of its proper divisors (80575264).

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

55545056 is a wasteful number, since it uses less digits than its factorization.

55545056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 55545056 is about 7452.8555601192. The cubic root of 55545056 is about 381.5473746884.

The spelling of 55545056 in words is "fifty-five million, five hundred forty-five thousand, fifty-six".