51830089 has 2 divisors, whose sum is σ = 51830090. Its totient is φ = 51830088.

The previous prime is 51830087. The next prime is 51830101. The reversal of 51830089 is 98003815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48066489 + 3763600 = 6933^2 + 1940^2 .

It is a cyclic number.

It is not a de Polignac number, because 51830089 - 2¹ = 51830087 is a prime.

Together with 51830087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51830087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25915044 + 25915045.

It is an arithmetic number, because the mean of its divisors is an integer number (25915045).

Almost surely, 2^51830089 is an apocalyptic number.

It is an amenable number.

51830089 is a deficient number, since it is larger than the sum of its proper divisors (1).

51830089 is an equidigital number, since it uses as much as digits as its factorization.

51830089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 51830089 is about 7199.3117032116. The cubic root of 51830089 is about 372.8441370230.

The spelling of 51830089 in words is "fifty-one million, eight hundred thirty thousand, eighty-nine".