55606515071 has 2 divisors, whose sum is σ = 55606515072. Its totient is φ = 55606515070.

The previous prime is 55606515061. The next prime is 55606515089. The reversal of 55606515071 is 17051560655.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55606515071 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55606515001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27803257535 + 27803257536.

It is an arithmetic number, because the mean of its divisors is an integer number (27803257536).

Almost surely, 2^55606515071 is an apocalyptic number.

55606515071 is a deficient number, since it is larger than the sum of its proper divisors (1).

55606515071 is an equidigital number, since it uses as much as digits as its factorization.

55606515071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 41.

The spelling of 55606515071 in words is "fifty-five billion, six hundred six million, five hundred fifteen thousand, seventy-one".