54443340 has 120 divisors (see below), whose sum is σ = 195230112. Its totient is φ = 12441600.

The previous prime is 54443309. The next prime is 54443357. The reversal of 54443340 is 4334445.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8940 + ... + 13740.

Almost surely, 2^54443340 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 54443340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97615056).

54443340 is an abundant number, since it is smaller than the sum of its proper divisors (140786772).

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

54443340 is a wasteful number, since it uses less digits than its factorization.

54443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829 (or 4818 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 54443340 is about 7378.5730327754. The cubic root of 54443340 is about 379.0078921969.

Adding to 54443340 its reverse (4334445), we get a palindrome (58777785).

The spelling of 54443340 in words is "fifty-four million, four hundred forty-three thousand, three hundred forty".