54431244 has 48 divisors (see below), whose sum is σ = 161280000. Its totient is φ = 15551568.

The previous prime is 54431233. The next prime is 54431261. The reversal of 54431244 is 44213445.

It is a happy number.

54431244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 15 ways as a sum of consecutive naturals, for example, 35244 + ... + 36755.

It is an arithmetic number, because the mean of its divisors is an integer number (3360000).

Almost surely, 2^54431244 is an apocalyptic number.

54431244 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

54431244 is an abundant number, since it is smaller than the sum of its proper divisors (106848756).

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

54431244 is a wasteful number, since it uses less digits than its factorization.

54431244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72019 (or 72011 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 54431244 is about 7377.7533165592. The cubic root of 54431244 is about 378.9798213069.

Adding to 54431244 its reverse (44213445), we get a palindrome (98644689).

The spelling of 54431244 in words is "fifty-four million, four hundred thirty-one thousand, two hundred forty-four".