55065155165656 has 16 divisors (see below), whose sum is σ = 105765389495640. Its totient is φ = 26861051300160.

The previous prime is 55065155165653. The next prime is 55065155165659. The reversal of 55065155165656 is 65656155156055.

It is an interprime number because it is at equal distance from previous prime (55065155165653) and next prime (55065155165659).

It is a junction number, because it is equal to n+sod(n) for n = 55065155165594 and 55065155165603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065155165653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83940784986 + ... + 83940785641.

Almost surely, 2^{55065155165656} is an apocalyptic number.

It is an amenable number.

55065155165656 is a deficient number, since it is larger than the sum of its proper divisors (50700234329984).

55065155165656 is a wasteful number, since it uses less digits than its factorization.

55065155165656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167881570674 (or 167881570670 counting only the distinct ones).

The product of its (nonzero) digits is 101250000, while the sum is 61.

The spelling of 55065155165656 in words is "fifty-five trillion, sixty-five billion, one hundred fifty-five million, one hundred sixty-five thousand, six hundred fifty-six".