51830507 has 2 divisors, whose sum is σ = 51830508. Its totient is φ = 51830506.

The previous prime is 51830491. The next prime is 51830509. The reversal of 51830507 is 70503815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51830507 - 2⁴ = 51830491 is a prime.

Together with 51830509, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51830507.

It is not a weakly prime, because it can be changed into another prime (51830509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25915253 + 25915254.

It is an arithmetic number, because the mean of its divisors is an integer number (25915254).

Almost surely, 2^51830507 is an apocalyptic number.

51830507 is a deficient number, since it is larger than the sum of its proper divisors (1).

51830507 is an equidigital number, since it uses as much as digits as its factorization.

51830507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 51830507 is about 7199.3407337061. The cubic root of 51830507 is about 372.8451393264.

The spelling of 51830507 in words is "fifty-one million, eight hundred thirty thousand, five hundred seven".