54271440 has 60 divisors (see below), whose sum is σ = 182264004. Its totient is φ = 14472192.

The previous prime is 54271439. The next prime is 54271453. The reversal of 54271440 is 4417245.

54271440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35712576 + 18558864 = 5976^2 + 4308^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 36969 + ... + 38408.

Almost surely, 2^54271440 is an apocalyptic number.

It is an amenable number.

54271440 is an abundant number, since it is smaller than the sum of its proper divisors (127992564).

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

54271440 is a wasteful number, since it uses less digits than its factorization.

54271440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75396 (or 75387 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 54271440 is about 7366.9152295924. The cubic root of 54271440 is about 378.6085770730.

Adding to 54271440 its reverse (4417245), we get a palindrome (58688685).

The spelling of 54271440 in words is "fifty-four million, two hundred seventy-one thousand, four hundred forty".