55143241504 has 48 divisors (see below), whose sum is σ = 117834974208. Its totient is φ = 25250303232.

The previous prime is 55143241463. The next prime is 55143241537. The reversal of 55143241504 is 40514234155.

It is a self number, because there is not a number n which added to its sum of digits gives 55143241504.

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 7 ways as a sum of consecutive naturals, for example, 469042 + ... + 574705.

It is an arithmetic number, because the mean of its divisors is an integer number (2454895296).

Almost surely, 2^55143241504 is an apocalyptic number.

It is an amenable number.

55143241504 is an abundant number, since it is smaller than the sum of its proper divisors (62691732704).

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

55143241504 is a wasteful number, since it uses less digits than its factorization.

55143241504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043897 (or 1043889 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 55143241504 its reverse (40514234155), we get a palindrome (95657475659).

The spelling of 55143241504 in words is "fifty-five billion, one hundred forty-three million, two hundred forty-one thousand, five hundred four".