55501203204 has 36 divisors (see below), whose sum is σ = 142070597760. Its totient is φ = 18266217840.

The previous prime is 55501203151. The next prime is 55501203269. The reversal of 55501203204 is 40230210555.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9754752 + ... + 9760439.

Almost surely, 2^55501203204 is an apocalyptic number.

It is an amenable number.

55501203204 is an abundant number, since it is smaller than the sum of its proper divisors (86569394556).

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

55501203204 is a wasteful number, since it uses less digits than its factorization.

55501203204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19515280 (or 19515275 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 55501203204 its reverse (40230210555), we get a palindrome (95731413759).

The spelling of 55501203204 in words is "fifty-five billion, five hundred one million, two hundred three thousand, two hundred four".