55541568 has 56 divisors (see below), whose sum is σ = 147511008. Its totient is φ = 18443776.

The previous prime is 55541561. The next prime is 55541599. The reversal of 55541568 is 86514555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55541561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84730 + ... + 85382.

Almost surely, 2^55541568 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 55541568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73755504).

55541568 is an abundant number, since it is smaller than the sum of its proper divisors (91969440).

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

55541568 is a wasteful number, since it uses less digits than its factorization.

55541568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1101 counting only the distinct ones).

The product of its digits is 120000, while the sum is 39.

The square root of 55541568 is about 7452.6215521788. The cubic root of 55541568 is about 381.5393879884.

The spelling of 55541568 in words is "fifty-five million, five hundred forty-one thousand, five hundred sixty-eight".