54243660 has 72 divisors (see below), whose sum is σ = 158865840. Its totient is φ = 13827968.

The previous prime is 54243649. The next prime is 54243667. The reversal of 54243660 is 6634245.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (54243667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30886 + ... + 32594.

It is an arithmetic number, because the mean of its divisors is an integer number (2206470).

Almost surely, 2^54243660 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 54243660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79432920).

54243660 is an abundant number, since it is smaller than the sum of its proper divisors (104622180).

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

54243660 is a wasteful number, since it uses less digits than its factorization.

54243660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 54243660 is about 7365.0295315090. The cubic root of 54243660 is about 378.5439664088.

The spelling of 54243660 in words is "fifty-four million, two hundred forty-three thousand, six hundred sixty".