55203142144 has 20 divisors (see below), whose sum is σ = 110298466674. Its totient is φ = 27601570816.

The previous prime is 55203142139. The next prime is 55203142153. The reversal of 55203142144 is 44124130255.

It can be written as a sum of positive squares in only one way, i.e., 46759737600 + 8443404544 = 216240^2 + 91888^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53908807 + ... + 53909830.

Almost surely, 2^55203142144 is an apocalyptic number.

It is an amenable number.

55203142144 is a deficient number, since it is larger than the sum of its proper divisors (55095324530).

55203142144 is an equidigital number, since it uses as much as digits as its factorization.

55203142144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107818655 (or 107818639 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 55203142144 its reverse (44124130255), we get a palindrome (99327272399).

The spelling of 55203142144 in words is "fifty-five billion, two hundred three million, one hundred forty-two thousand, one hundred forty-four".