51392659 has 2 divisors, whose sum is σ = 51392660. Its totient is φ = 51392658.

The previous prime is 51392629. The next prime is 51392681. The reversal of 51392659 is 95629315.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51392659 - 2⁷ = 51392531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51392629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25696329 + 25696330.

It is an arithmetic number, because the mean of its divisors is an integer number (25696330).

Almost surely, 2^51392659 is an apocalyptic number.

51392659 is a deficient number, since it is larger than the sum of its proper divisors (1).

51392659 is an equidigital number, since it uses as much as digits as its factorization.

51392659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 40.

The square root of 51392659 is about 7168.8673442881. The cubic root of 51392659 is about 371.7922757310.

The spelling of 51392659 in words is "fifty-one million, three hundred ninety-two thousand, six hundred fifty-nine".