55493023757 has 2 divisors, whose sum is σ = 55493023758. Its totient is φ = 55493023756.

The previous prime is 55493023739. The next prime is 55493023783. The reversal of 55493023757 is 75732039455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30208525636 + 25284498121 = 173806^2 + 159011^2 .

It is a cyclic number.

It is not a de Polignac number, because 55493023757 - 2⁸ = 55493023501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55493023717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27746511878 + 27746511879.

It is an arithmetic number, because the mean of its divisors is an integer number (27746511879).

Almost surely, 2^55493023757 is an apocalyptic number.

It is an amenable number.

55493023757 is a deficient number, since it is larger than the sum of its proper divisors (1).

55493023757 is an equidigital number, since it uses as much as digits as its factorization.

55493023757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969000, while the sum is 50.

The spelling of 55493023757 in words is "fifty-five billion, four hundred ninety-three million, twenty-three thousand, seven hundred fifty-seven".