55136956 has 36 divisors (see below), whose sum is σ = 115291848. Its totient is φ = 22988448.

The previous prime is 55136953. The next prime is 55136989. The reversal of 55136956 is 65963155.

55136956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55136953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3451 + ... + 11053.

Almost surely, 2^55136956 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 55136956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57645924).

55136956 is an abundant number, since it is smaller than the sum of its proper divisors (60154892).

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

55136956 is a wasteful number, since it uses less digits than its factorization.

55136956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658 (or 7649 counting only the distinct ones).

The product of its digits is 121500, while the sum is 40.

The square root of 55136956 is about 7425.4263177275. The cubic root of 55136956 is about 380.6106433128.

The spelling of 55136956 in words is "fifty-five million, one hundred thirty-six thousand, nine hundred fifty-six".