54402240 has 112 divisors (see below), whose sum is σ = 175747680. Its totient is φ = 14254080.

The previous prime is 54402239. The next prime is 54402251. The reversal of 54402240 is 4220445.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58096 + ... + 59024.

Almost surely, 2^54402240 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 54402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87873840).

54402240 is an abundant number, since it is smaller than the sum of its proper divisors (121345440).

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

54402240 is a wasteful number, since it uses less digits than its factorization.

54402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 54402240 is about 7375.7874155916. The cubic root of 54402240 is about 378.9124954913.

Adding to 54402240 its reverse (4220445), we get a palindrome (58622685).

The spelling of 54402240 in words is "fifty-four million, four hundred two thousand, two hundred forty".