55183409136 has 200 divisors, whose sum is σ = 163765899264. Its totient is φ = 17931300480.

The previous prime is 55183409131. The next prime is 55183409173. The reversal of 55183409136 is 63190438155.

55183409136 is a `hidden beast` number, since 5 + 518 + 3 + 40 + 91 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55183409091 and 55183409100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55183409131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16505481 + ... + 16508823.

Almost surely, 2^55183409136 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 55183409136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81882949632).

55183409136 is an abundant number, since it is smaller than the sum of its proper divisors (108582490128).

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

55183409136 is a wasteful number, since it uses less digits than its factorization.

55183409136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 55183409136 in words is "fifty-five billion, one hundred eighty-three million, four hundred nine thousand, one hundred thirty-six".