5556457841797 has 4 divisors (see below), whose sum is σ = 5556462823660. Its totient is φ = 5556452859936.

The previous prime is 5556457841699. The next prime is 5556457841807. The reversal of 5556457841797 is 7971487546555.

It is a Cunningham number, because it is equal to 2357214²+1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5374394339076 + 182063502721 = 2318274^2 + 426689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556457841797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556457848797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37729 + ... + 3333817.

It is an arithmetic number, because the mean of its divisors is an integer number (1389115705915).

Almost surely, 2^{5556457841797} is an apocalyptic number.

It is an amenable number.

5556457841797 is a deficient number, since it is larger than the sum of its proper divisors (4981863).

5556457841797 is a wasteful number, since it uses less digits than its factorization.

5556457841797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981862.

The product of its digits is 1481760000, while the sum is 73.

The spelling of 5556457841797 in words is "five trillion, five hundred fifty-six billion, four hundred fifty-seven million, eight hundred forty-one thousand, seven hundred ninety-seven".