200530551 has 16 divisors (see below), whose sum is σ = 290797920. Its totient is φ = 122179200.

The previous prime is 200530513. The next prime is 200530571. The reversal of 200530551 is 155035002.

It is not a de Polignac number, because 200530551 - 2²⁷ = 66312823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200530501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21516 + ... + 29393.

It is an arithmetic number, because the mean of its divisors is an integer number (18174870).

Almost surely, 2^200530551 is an apocalyptic number.

200530551 is a deficient number, since it is larger than the sum of its proper divisors (90267369).

200530551 is a wasteful number, since it uses less digits than its factorization.

200530551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51026.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 200530551 is about 14160.8810107281. The cubic root of 200530551 is about 585.3202045685.

Adding to 200530551 its reverse (155035002), we get a palindrome (355565553).

The spelling of 200530551 in words is "two hundred million, five hundred thirty thousand, five hundred fifty-one".