55724316293 has 2 divisors, whose sum is σ = 55724316294. Its totient is φ = 55724316292.

The previous prime is 55724316223. The next prime is 55724316299. The reversal of 55724316293 is 39261342755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37201922884 + 18522393409 = 192878^2 + 136097^2 .

It is a cyclic number.

It is not a de Polignac number, because 55724316293 - 2¹² = 55724312197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55724316299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27862158146 + 27862158147.

It is an arithmetic number, because the mean of its divisors is an integer number (27862158147).

Almost surely, 2^55724316293 is an apocalyptic number.

It is an amenable number.

55724316293 is a deficient number, since it is larger than the sum of its proper divisors (1).

55724316293 is an equidigital number, since it uses as much as digits as its factorization.

55724316293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 47.

The spelling of 55724316293 in words is "fifty-five billion, seven hundred twenty-four million, three hundred sixteen thousand, two hundred ninety-three".