55126614666613 has 32 divisors (see below), whose sum is σ = 69204963133440. Its totient is φ = 42815804644800.

The previous prime is 55126614666593. The next prime is 55126614666631. The reversal of 55126614666613 is 31666641662155.

It is a cyclic number.

It is not a de Polignac number, because 55126614666613 - 2²⁵ = 55126581112181 is a prime.

It is a super-2 number, since 2×55126614666613² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55126614066613) 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, 55490406 + ... + 56475112.

It is an arithmetic number, because the mean of its divisors is an integer number (2162655097920).

Almost surely, 2^{55126614666613} is an apocalyptic number.

It is an amenable number.

55126614666613 is a deficient number, since it is larger than the sum of its proper divisors (14078348466827).

55126614666613 is a wasteful number, since it uses less digits than its factorization.

55126614666613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003057.

The product of its digits is 27993600, while the sum is 58.

The spelling of 55126614666613 in words is "fifty-five trillion, one hundred twenty-six billion, six hundred fourteen million, six hundred sixty-six thousand, six hundred thirteen".