51067823 has 2 divisors, whose sum is σ = 51067824. Its totient is φ = 51067822.

The previous prime is 51067817. The next prime is 51067831. The reversal of 51067823 is 32876015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51067823 - 2⁶ = 51067759 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51067823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51067853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25533911 + 25533912.

It is an arithmetic number, because the mean of its divisors is an integer number (25533912).

Almost surely, 2^51067823 is an apocalyptic number.

51067823 is a deficient number, since it is larger than the sum of its proper divisors (1).

51067823 is an equidigital number, since it uses as much as digits as its factorization.

51067823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 51067823 is about 7146.1754106655. The cubic root of 51067823 is about 371.0072941948.

The spelling of 51067823 in words is "fifty-one million, sixty-seven thousand, eight hundred twenty-three".