51793823 has 2 divisors, whose sum is σ = 51793824. Its totient is φ = 51793822.

The previous prime is 51793813. The next prime is 51793831. The reversal of 51793823 is 32839715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51793823 - 2¹⁸ = 51531679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51793813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25896911 + 25896912.

It is an arithmetic number, because the mean of its divisors is an integer number (25896912).

Almost surely, 2^51793823 is an apocalyptic number.

51793823 is a deficient number, since it is larger than the sum of its proper divisors (1).

51793823 is an equidigital number, since it uses as much as digits as its factorization.

51793823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 51793823 is about 7196.7925494626. The cubic root of 51793823 is about 372.7571558847.

The spelling of 51793823 in words is "fifty-one million, seven hundred ninety-three thousand, eight hundred twenty-three".