51887203 has 2 divisors, whose sum is σ = 51887204. Its totient is φ = 51887202.

The previous prime is 51887191. The next prime is 51887299. The reversal of 51887203 is 30278815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51887203 - 2¹³ = 51879011 is a prime.

It is not a weakly prime, because it can be changed into another prime (51887603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25943601 + 25943602.

It is an arithmetic number, because the mean of its divisors is an integer number (25943602).

Almost surely, 2^51887203 is an apocalyptic number.

51887203 is a deficient number, since it is larger than the sum of its proper divisors (1).

51887203 is an equidigital number, since it uses as much as digits as its factorization.

51887203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 51887203 is about 7203.2772402567. The cubic root of 51887203 is about 372.9810382155.

The spelling of 51887203 in words is "fifty-one million, eight hundred eighty-seven thousand, two hundred three".