201053555 has 8 divisors (see below), whose sum is σ = 243400032. Its totient is φ = 159419008.

The previous prime is 201053551. The next prime is 201053563. The reversal of 201053555 is 555350102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201053555 - 2² = 201053551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201053551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177359 + ... + 178488.

It is an arithmetic number, because the mean of its divisors is an integer number (30425004).

Almost surely, 2^201053555 is an apocalyptic number.

201053555 is a deficient number, since it is larger than the sum of its proper divisors (42346477).

201053555 is a wasteful number, since it uses less digits than its factorization.

201053555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355965.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 201053555 is about 14179.3354921872. The cubic root of 201053555 is about 585.8286209616.

The spelling of 201053555 in words is "two hundred one million, fifty-three thousand, five hundred fifty-five".