55117304601012 has 18 divisors (see below), whose sum is σ = 139324297741538. Its totient is φ = 18372434866992.

The previous prime is 55117304600993. The next prime is 55117304601041. The reversal of 55117304601012 is 21010640371155.

55117304601012 is a `hidden beast` number, since 5 + 5 + 1 + 1 + 7 + 30 + 4 + 601 + 0 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38435585726736 + 16681718874276 = 6199644^2 + 4084326^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×55117304601012² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1531036238917 = 55117304601012 / (5 + 5 + 1 + 1 + 7 + 3 + 0 + 4 + 6 + 0 + 1 + 0 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 765518119423 + ... + 765518119494.

Almost surely, 2^{55117304601012} is an apocalyptic number.

It is an amenable number.

55117304601012 is an abundant number, since it is smaller than the sum of its proper divisors (84206993140526).

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

55117304601012 is a wasteful number, since it uses less digits than its factorization.

55117304601012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531036238927 (or 1531036238922 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

Adding to 55117304601012 its reverse (21010640371155), we get a palindrome (76127944972167).

The spelling of 55117304601012 in words is "fifty-five trillion, one hundred seventeen billion, three hundred four million, six hundred one thousand, twelve".