54509568 has 60 divisors (see below), whose sum is σ = 145485480. Its totient is φ = 18153472.

The previous prime is 54509551. The next prime is 54509579. The reversal of 54509568 is 86590545.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48598 + ... + 49706.

It is an arithmetic number, because the mean of its divisors is an integer number (2424758).

Almost surely, 2^54509568 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 54509568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72742740).

54509568 is an abundant number, since it is smaller than the sum of its proper divisors (90975912).

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

54509568 is an equidigital number, since it uses as much as digits as its factorization.

54509568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 54509568 is about 7383.0595284069. The cubic root of 54509568 is about 379.1615122325.

The spelling of 54509568 in words is "fifty-four million, five hundred nine thousand, five hundred sixty-eight".