200755551 has 4 divisors (see below), whose sum is σ = 267674072. Its totient is φ = 133837032.

The previous prime is 200755537. The next prime is 200755559. The reversal of 200755551 is 155557002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 200755551 - 2¹⁰ = 200754527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200755559) 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 3 ways as a sum of consecutive naturals, for example, 33459256 + ... + 33459261.

It is an arithmetic number, because the mean of its divisors is an integer number (66918518).

Almost surely, 2^200755551 is an apocalyptic number.

200755551 is a deficient number, since it is larger than the sum of its proper divisors (66918521).

200755551 is an equidigital number, since it uses as much as digits as its factorization.

200755551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66918520.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 200755551 is about 14168.8232044867. The cubic root of 200755551 is about 585.5390370943.

The spelling of 200755551 in words is "two hundred million, seven hundred fifty-five thousand, five hundred fifty-one".