55501627136 has 72 divisors (see below), whose sum is σ = 113376019680. Its totient is φ = 27106799616.

The previous prime is 55501627123. The next prime is 55501627141. The reversal of 55501627136 is 63172610555.

It is a super-2 number, since 2×55501627136² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55501627093 and 55501627102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3098141 + ... + 3116003.

It is an arithmetic number, because the mean of its divisors is an integer number (1574666940).

Almost surely, 2^55501627136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55501627136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56688009840).

55501627136 is an abundant number, since it is smaller than the sum of its proper divisors (57874392544).

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

55501627136 is a wasteful number, since it uses less digits than its factorization.

55501627136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18161 (or 18147 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 55501627136 in words is "fifty-five billion, five hundred one million, six hundred twenty-seven thousand, one hundred thirty-six".