55743568 has 40 divisors (see below), whose sum is σ = 117626400. Its totient is φ = 25490304.

The previous prime is 55743563. The next prime is 55743577. The reversal of 55743568 is 86534755.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55743563) 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, 5655 + ... + 11977.

It is an arithmetic number, because the mean of its divisors is an integer number (2940660).

Almost surely, 2^55743568 is an apocalyptic number.

55743568 is a gapful number since it is divisible by the number (58) 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 55743568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58813200).

55743568 is an abundant number, since it is smaller than the sum of its proper divisors (61882832).

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

55743568 is a wasteful number, since it uses less digits than its factorization.

55743568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379 (or 6373 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The square root of 55743568 is about 7466.1615305323. The cubic root of 55743568 is about 382.0013705715.

The spelling of 55743568 in words is "fifty-five million, seven hundred forty-three thousand, five hundred sixty-eight".