55606055060557 has 8 divisors (see below), whose sum is σ = 55790141830136. Its totient is φ = 55422009257472.

The previous prime is 55606055060537. The next prime is 55606055060579. The reversal of 55606055060557 is 75506055060655.

It can be written as a sum of positive squares in 4 ways, for example, as 1316184857001 + 54289870203556 = 1147251^2 + 7368166^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55606055060557 - 2⁴³ = 46809962038349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55606055060498 and 55606055060507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55606055060537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7521228 + ... + 12953029.

It is an arithmetic number, because the mean of its divisors is an integer number (6973767728767).

Almost surely, 2^{55606055060557} is an apocalyptic number.

It is an amenable number.

55606055060557 is a deficient number, since it is larger than the sum of its proper divisors (184086769579).

55606055060557 is a wasteful number, since it uses less digits than its factorization.

55606055060557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20483247.

The product of its (nonzero) digits is 23625000, while the sum is 55.

The spelling of 55606055060557 in words is "fifty-five trillion, six hundred six billion, fifty-five million, sixty thousand, five hundred fifty-seven".