55565568425707 has 16 divisors (see below), whose sum is σ = 61931023165440. Its totient is φ = 49544244667008.

The previous prime is 55565568425693. The next prime is 55565568425711. The reversal of 55565568425707 is 70752486556555.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55565568425707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55565568420707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71398758 + ... + 72172804.

It is an arithmetic number, because the mean of its divisors is an integer number (3870688947840).

Almost surely, 2^{55565568425707} is an apocalyptic number.

55565568425707 is a deficient number, since it is larger than the sum of its proper divisors (6365454739733).

55565568425707 is a wasteful number, since it uses less digits than its factorization.

55565568425707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996330.

The product of its (nonzero) digits is 1764000000, while the sum is 70.

The spelling of 55565568425707 in words is "fifty-five trillion, five hundred sixty-five billion, five hundred sixty-eight million, four hundred twenty-five thousand, seven hundred seven".