54155300355144 has 24 divisors (see below), whose sum is σ = 146670605128710. Its totient is φ = 18051766785024.

The previous prime is 54155300355139. The next prime is 54155300355181. The reversal of 54155300355144 is 44155300355145.

It is a happy number.

54155300355144 is a `hidden beast` number, since 5 + 4 + 1 + 5 + 53 + 0 + 0 + 3 + 551 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30429146452644 + 23726153902500 = 5516262^2 + 4870950^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 54155300355144.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 376078474617 + ... + 376078474760.

Almost surely, 2^{54155300355144} is an apocalyptic number.

It is an amenable number.

54155300355144 is an abundant number, since it is smaller than the sum of its proper divisors (92515304773566).

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

54155300355144 is a wasteful number, since it uses less digits than its factorization.

54155300355144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752156949389 (or 752156949382 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

Subtracting from 54155300355144 its reverse (44155300355145), we obtain a palindrome (9999999999999).

The spelling of 54155300355144 in words is "fifty-four trillion, one hundred fifty-five billion, three hundred million, three hundred fifty-five thousand, one hundred forty-four".