54444140 has 12 divisors (see below), whose sum is σ = 114332736. Its totient is φ = 21777648.

The previous prime is 54444127. The next prime is 54444161. The reversal of 54444140 is 4144445.

54444140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361084 + ... + 1361123.

It is an arithmetic number, because the mean of its divisors is an integer number (9527728).

Almost surely, 2^54444140 is an apocalyptic number.

It is an amenable number.

54444140 is an abundant number, since it is smaller than the sum of its proper divisors (59888596).

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

54444140 is a wasteful number, since it uses less digits than its factorization.

54444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722216 (or 2722214 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 54444140 is about 7378.6272436003. The cubic root of 54444140 is about 379.0097485907.

Adding to 54444140 its reverse (4144445), we get a palindrome (58588585).

The spelling of 54444140 in words is "fifty-four million, four hundred forty-four thousand, one hundred forty".