54563723393 has 2 divisors, whose sum is σ = 54563723394. Its totient is φ = 54563723392.

The previous prime is 54563723381. The next prime is 54563723429. The reversal of 54563723393 is 39332736545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53097063184 + 1466660209 = 230428^2 + 38297^2 .

It is a cyclic number.

It is not a de Polignac number, because 54563723393 - 2¹⁶ = 54563657857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54563723363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27281861696 + 27281861697.

It is an arithmetic number, because the mean of its divisors is an integer number (27281861697).

Almost surely, 2^54563723393 is an apocalyptic number.

It is an amenable number.

54563723393 is a deficient number, since it is larger than the sum of its proper divisors (1).

54563723393 is an equidigital number, since it uses as much as digits as its factorization.

54563723393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6123600, while the sum is 50.

The spelling of 54563723393 in words is "fifty-four billion, five hundred sixty-three million, seven hundred twenty-three thousand, three hundred ninety-three".