54342440 has 16 divisors (see below), whose sum is σ = 122270580. Its totient is φ = 21736960.

The previous prime is 54342439. The next prime is 54342443. The reversal of 54342440 is 4424345.

54342440 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 51008164 + 3334276 = 7142^2 + 1826^2 .

It is not an unprimeable number, because it can be changed into a prime (54342443) by changing a digit.

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, 679241 + ... + 679320.

Almost surely, 2^54342440 is an apocalyptic number.

It is an amenable number.

54342440 is an abundant number, since it is smaller than the sum of its proper divisors (67928140).

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

54342440 is a wasteful number, since it uses less digits than its factorization.

54342440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358572 (or 1358568 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 54342440 is about 7371.7324965031. The cubic root of 54342440 is about 378.7736085957.

Adding to 54342440 its reverse (4424345), we get a palindrome (58766785).

The spelling of 54342440 in words is "fifty-four million, three hundred forty-two thousand, four hundred forty".