54144531544 has 8 divisors (see below), whose sum is σ = 101520996660. Its totient is φ = 27072265768.

The previous prime is 54144531517. The next prime is 54144531569. The reversal of 54144531544 is 44513544145.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×54144531544² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54144531497 and 54144531506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384033214 + ... + 3384033229.

Almost surely, 2^54144531544 is an apocalyptic number.

It is an amenable number.

54144531544 is a deficient number, since it is larger than the sum of its proper divisors (47376465116).

54144531544 is a wasteful number, since it uses less digits than its factorization.

54144531544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768066449 (or 6768066445 counting only the distinct ones).

The product of its digits is 384000, while the sum is 40.

The spelling of 54144531544 in words is "fifty-four billion, one hundred forty-four million, five hundred thirty-one thousand, five hundred forty-four".