54444420 has 48 divisors (see below), whose sum is σ = 169384320. Its totient is φ = 14518368.

The previous prime is 54444413. The next prime is 54444437. The reversal of 54444420 is 2444445.

It is a happy number.

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

It is a nialpdrome in base 10.

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, 49872 + ... + 50951.

It is an arithmetic number, because the mean of its divisors is an integer number (3528840).

Almost surely, 2^54444420 is an apocalyptic number.

It is an amenable number.

54444420 is an abundant number, since it is smaller than the sum of its proper divisors (114939900).

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

54444420 is a wasteful number, since it uses less digits than its factorization.

54444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100841 (or 100833 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 54444420 is about 7378.6462172949. The cubic root of 54444420 is about 379.0103983242.

Adding to 54444420 its reverse (2444445), we get a palindrome (56888865).

The spelling of 54444420 in words is "fifty-four million, four hundred forty-four thousand, four hundred twenty".