55656606060657 has 24 divisors (see below), whose sum is σ = 91878109674624. Its totient is φ = 31803588742464.

The previous prime is 55656606060563. The next prime is 55656606060689. The reversal of 55656606060657 is 75606060665655.

It is a happy number.

55656606060657 is a `hidden beast` number, since 5 + 5 + 6 + 566 + 0 + 6 + 0 + 6 + 0 + 65 + 7 = 666.

It is not a de Polignac number, because 55656606060657 - 2¹¹ = 55656606058609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 55656606060594 and 55656606060603.

It is not an unprimeable number, because it can be changed into a prime (55656606065657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8647933 + ... + 13641845.

It is an arithmetic number, because the mean of its divisors is an integer number (3828254569776).

Almost surely, 2^{55656606060657} is an apocalyptic number.

It is an amenable number.

55656606060657 is a deficient number, since it is larger than the sum of its proper divisors (36221503613967).

55656606060657 is a wasteful number, since it uses less digits than its factorization.

55656606060657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5170829 (or 5170826 counting only the distinct ones).

The product of its (nonzero) digits is 204120000, while the sum is 63.

The spelling of 55656606060657 in words is "fifty-five trillion, six hundred fifty-six billion, six hundred six million, sixty thousand, six hundred fifty-seven".