54426440 has 32 divisors (see below), whose sum is σ = 123284160. Its totient is φ = 21624000.

The previous prime is 54426419. The next prime is 54426443. The reversal of 54426440 is 4462445.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (54426443) 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, 1535 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (3852630).

Almost surely, 2^54426440 is an apocalyptic number.

It is an amenable number.

54426440 is an abundant number, since it is smaller than the sum of its proper divisors (68857720).

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

54426440 is a wasteful number, since it uses less digits than its factorization.

54426440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173 (or 9169 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 54426440 is about 7377.4277360066. The cubic root of 54426440 is about 378.9686716283.

Adding to 54426440 its reverse (4462445), we get a palindrome (58888885).

The spelling of 54426440 in words is "fifty-four million, four hundred twenty-six thousand, four hundred forty".