200455551 has 24 divisors (see below), whose sum is σ = 313719120. Its totient is φ = 122846976.

The previous prime is 200455471. The next prime is 200455553. The reversal of 200455551 is 155554002.

200455551 is a `hidden beast` number, since 200 + 455 + 5 + 5 + 1 = 666.

It is not a de Polignac number, because 200455551 - 2⁹ = 200455039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200455553) 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, 8656 + ... + 21813.

It is an arithmetic number, because the mean of its divisors is an integer number (13071630).

Almost surely, 2^200455551 is an apocalyptic number.

200455551 is a deficient number, since it is larger than the sum of its proper divisors (113263569).

200455551 is a wasteful number, since it uses less digits than its factorization.

200455551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30535 (or 30532 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 200455551 is about 14158.2326227534. The cubic root of 200455551 is about 585.2472240191.

The spelling of 200455551 in words is "two hundred million, four hundred fifty-five thousand, five hundred fifty-one".