55201072236 has 24 divisors (see below), whose sum is σ = 128941174320. Its totient is φ = 18380547072.

The previous prime is 55201072217. The next prime is 55201072259. The reversal of 55201072236 is 63227010255.

55201072236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55201072197 and 55201072206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2464681 + ... + 2486976.

It is an arithmetic number, because the mean of its divisors is an integer number (5372548930).

Almost surely, 2^55201072236 is an apocalyptic number.

It is an amenable number.

55201072236 is an abundant number, since it is smaller than the sum of its proper divisors (73740102084).

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

55201072236 is a wasteful number, since it uses less digits than its factorization.

55201072236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952593 (or 4952591 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 55201072236 in words is "fifty-five billion, two hundred one million, seventy-two thousand, two hundred thirty-six".