55203445504 has 18 divisors (see below), whose sum is σ = 110191253060. Its totient is φ = 27601722624.

The previous prime is 55203445501. The next prime is 55203445567. The reversal of 55203445504 is 40554430255.

It is not an unprimeable number, because it can be changed into a prime (55203445501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107818974 + ... + 107819485.

Almost surely, 2^55203445504 is an apocalyptic number.

It is an amenable number.

55203445504 is a deficient number, since it is larger than the sum of its proper divisors (54987807556).

55203445504 is an equidigital number, since it uses as much as digits as its factorization.

55203445504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215638475 (or 215638461 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

Adding to 55203445504 its reverse (40554430255), we get a palindrome (95757875759).

The spelling of 55203445504 in words is "fifty-five billion, two hundred three million, four hundred forty-five thousand, five hundred four".