54143253440 has 56 divisors (see below), whose sum is σ = 128949998640. Its totient is φ = 21653710848.

The previous prime is 54143253379. The next prime is 54143253443. The reversal of 54143253440 is 4435234145.

It is a self number, because there is not a number n which added to its sum of digits gives 54143253440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54143253443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2799644 + ... + 2818916.

Almost surely, 2^54143253440 is an apocalyptic number.

It is an amenable number.

54143253440 is an abundant number, since it is smaller than the sum of its proper divisors (74806745200).

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

54143253440 is a wasteful number, since it uses less digits than its factorization.

54143253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28069 (or 28059 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 54143253440 its reverse (4435234145), we get a palindrome (58578487585).

The spelling of 54143253440 in words is "fifty-four billion, one hundred forty-three million, two hundred fifty-three thousand, four hundred forty".