55656506066611 has 4 divisors (see below), whose sum is σ = 56207560582224. Its totient is φ = 55105451551000.

The previous prime is 55656506066597. The next prime is 55656506066657. The reversal of 55656506066611 is 11666060565655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55656506066611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55656506066311) 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, 275527257655 + ... + 275527257856.

It is an arithmetic number, because the mean of its divisors is an integer number (14051890145556).

Almost surely, 2^{55656506066611} is an apocalyptic number.

55656506066611 is a deficient number, since it is larger than the sum of its proper divisors (551054515613).

55656506066611 is a wasteful number, since it uses less digits than its factorization.

55656506066611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551054515612.

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 55656506066611 in words is "fifty-five trillion, six hundred fifty-six billion, five hundred six million, sixty-six thousand, six hundred eleven".