201453553 has 24 divisors (see below), whose sum is σ = 252396000. Its totient is φ = 159723648.

The previous prime is 201453521. The next prime is 201453569. The reversal of 201453553 is 355354102.

It is not a de Polignac number, because 201453553 - 2⁵ = 201453521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201453653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47098 + ... + 51196.

It is an arithmetic number, because the mean of its divisors is an integer number (10516500).

Almost surely, 2^201453553 is an apocalyptic number.

It is an amenable number.

201453553 is a deficient number, since it is larger than the sum of its proper divisors (50942447).

201453553 is a wasteful number, since it uses less digits than its factorization.

201453553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 201453553 is about 14193.4334464921. The cubic root of 201453553 is about 586.2168675119.

The spelling of 201453553 in words is "two hundred one million, four hundred fifty-three thousand, five hundred fifty-three".