55600065657 has 32 divisors (see below), whose sum is σ = 85982204160. Its totient is φ = 35442570240.

The previous prime is 55600065643. The next prime is 55600065691. The reversal of 55600065657 is 75656000655.

55600065657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-55600065657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55600065607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1933807 + ... + 1962347.

It is an arithmetic number, because the mean of its divisors is an integer number (2686943880).

Almost surely, 2^55600065657 is an apocalyptic number.

It is an amenable number.

55600065657 is a deficient number, since it is larger than the sum of its proper divisors (30382138503).

55600065657 is a wasteful number, since it uses less digits than its factorization.

55600065657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31710 (or 31704 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 45.

The spelling of 55600065657 in words is "fifty-five billion, six hundred million, sixty-five thousand, six hundred fifty-seven".