55133633633156 has 48 divisors (see below), whose sum is σ = 106245396063744. Its totient is φ = 24874619965056.

The previous prime is 55133633633131. The next prime is 55133633633279. The reversal of 55133633633156 is 65133633633155.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55133633633098 and 55133633633107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11693795 + ... + 15716618.

It is an arithmetic number, because the mean of its divisors is an integer number (2213445751328).

Almost surely, 2^{55133633633156} is an apocalyptic number.

It is an amenable number.

55133633633156 is a deficient number, since it is larger than the sum of its proper divisors (51111762430588).

55133633633156 is a wasteful number, since it uses less digits than its factorization.

55133633633156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27411300 (or 27411298 counting only the distinct ones).

The product of its digits is 19683000, while the sum is 53.

Subtracting 55133633633156 from its reverse (65133633633155), we obtain a palindrome (9999999999999).

The spelling of 55133633633156 in words is "fifty-five trillion, one hundred thirty-three billion, six hundred thirty-three million, six hundred thirty-three thousand, one hundred fifty-six".