54457568 has 48 divisors (see below), whose sum is σ = 118661760. Its totient is φ = 24393600.

The previous prime is 54457561. The next prime is 54457573. The reversal of 54457568 is 86575445.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54457561) 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, 23903 + ... + 26081.

It is an arithmetic number, because the mean of its divisors is an integer number (2472120).

Almost surely, 2^54457568 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 54457568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59330880).

54457568 is an abundant number, since it is smaller than the sum of its proper divisors (64204192).

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

54457568 is a wasteful number, since it uses less digits than its factorization.

54457568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2263 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The square root of 54457568 is about 7379.5371128547. The cubic root of 54457568 is about 379.0409054458.

The spelling of 54457568 in words is "fifty-four million, four hundred fifty-seven thousand, five hundred sixty-eight".