55144231534504 has 64 divisors (see below), whose sum is σ = 120707564400000. Its totient is φ = 23607801552384.

The previous prime is 55144231534493. The next prime is 55144231534573. The reversal of 55144231534504 is 40543513244155.

It is a happy number.

55144231534504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8266914 + ... + 13365265.

It is an arithmetic number, because the mean of its divisors is an integer number (1886055693750).

Almost surely, 2^{55144231534504} is an apocalyptic number.

It is an amenable number.

55144231534504 is an abundant number, since it is smaller than the sum of its proper divisors (65563332865496).

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

55144231534504 is a wasteful number, since it uses less digits than its factorization.

55144231534504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21633135 (or 21633117 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

Adding to 55144231534504 its reverse (40543513244155), we get a palindrome (95687744778659).

The spelling of 55144231534504 in words is "fifty-five trillion, one hundred forty-four billion, two hundred thirty-one million, five hundred thirty-four thousand, five hundred four".