201553555200 has 108 divisors (see below), whose sum is σ = 665168785848. Its totient is φ = 53747609600.

The previous prime is 201553555193. The next prime is 201553555201. The reversal of 201553555200 is 2555355102.

201553555200 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201553555200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201553555201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5229591 + ... + 5267990.

Almost surely, 2^201553555200 is an apocalyptic number.

201553555200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201553555200 is an abundant number, since it is smaller than the sum of its proper divisors (463615230648).

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

201553555200 is a wasteful number, since it uses less digits than its factorization.

201553555200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10497610 (or 10497591 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 201553555200 in words is "two hundred one billion, five hundred fifty-three million, five hundred fifty-five thousand, two hundred".