55126614666612 has 12 divisors (see below), whose sum is σ = 128628767555456. Its totient is φ = 18375538222200.

The previous prime is 55126614666593. The next prime is 55126614666631. The reversal of 55126614666612 is 21666641662155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55126614666593) and next prime (55126614666631).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55126614666612² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2296942277764 + ... + 2296942277787.

Almost surely, 2^{55126614666612} is an apocalyptic number.

It is an amenable number.

55126614666612 is an abundant number, since it is smaller than the sum of its proper divisors (73502152888844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55126614666612 is a wasteful number, since it uses less digits than its factorization.

55126614666612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593884555558 (or 4593884555556 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 57.

The spelling of 55126614666612 in words is "fifty-five trillion, one hundred twenty-six billion, six hundred fourteen million, six hundred sixty-six thousand, six hundred twelve".