55706517504007 has 2 divisors, whose sum is σ = 55706517504008. Its totient is φ = 55706517504006.

The previous prime is 55706517503993. The next prime is 55706517504091. The reversal of 55706517504007 is 70040571560755.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55706517504007 is a prime.

It is a super-2 number, since 2×55706517504007² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55706517504107) 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, 27853258752003 + 27853258752004.

It is an arithmetic number, because the mean of its divisors is an integer number (27853258752004).

Almost surely, 2^{55706517504007} is an apocalyptic number.

55706517504007 is a deficient number, since it is larger than the sum of its proper divisors (1).

55706517504007 is an equidigital number, since it uses as much as digits as its factorization.

55706517504007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5145000, while the sum is 52.

The spelling of 55706517504007 in words is "fifty-five trillion, seven hundred six billion, five hundred seventeen million, five hundred four thousand, seven".