55456166063613 has 16 divisors (see below), whose sum is σ = 84504774128256. Its totient is φ = 31689185203200.

The previous prime is 55456166063609. The next prime is 55456166063651. The reversal of 55456166063613 is 31636066165455.

It is a happy number.

It is not a de Polignac number, because 55456166063613 - 2² = 55456166063609 is a prime.

It is a super-2 number, since 2×55456166063613² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55456166063113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13336813 + ... + 16993613.

It is an arithmetic number, because the mean of its divisors is an integer number (5281548383016).

Almost surely, 2^{55456166063613} is an apocalyptic number.

It is an amenable number.

55456166063613 is a deficient number, since it is larger than the sum of its proper divisors (29048608064643).

55456166063613 is a wasteful number, since it uses less digits than its factorization.

55456166063613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378964.

The product of its (nonzero) digits is 34992000, while the sum is 57.

The spelling of 55456166063613 in words is "fifty-five trillion, four hundred fifty-six billion, one hundred sixty-six million, sixty-three thousand, six hundred thirteen".