56823733457 has 2 divisors, whose sum is σ = 56823733458. Its totient is φ = 56823733456.

The previous prime is 56823733427. The next prime is 56823733481. The reversal of 56823733457 is 75433732865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30595607056 + 26228126401 = 174916^2 + 161951^2 .

It is a cyclic number.

It is not a de Polignac number, because 56823733457 - 2²⁶ = 56756624593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56823733399 and 56823733408.

It is not a weakly prime, because it can be changed into another prime (56823733427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28411866728 + 28411866729.

It is an arithmetic number, because the mean of its divisors is an integer number (28411866729).

Almost surely, 2^56823733457 is an apocalyptic number.

It is an amenable number.

56823733457 is a deficient number, since it is larger than the sum of its proper divisors (1).

56823733457 is an equidigital number, since it uses as much as digits as its factorization.

56823733457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 53.

The spelling of 56823733457 in words is "fifty-six billion, eight hundred twenty-three million, seven hundred thirty-three thousand, four hundred fifty-seven".