43055136 has 36 divisors (see below), whose sum is σ = 122438862. Its totient is φ = 14351616.

The previous prime is 43055123. The next prime is 43055137. The reversal of 43055136 is 63155034.

It can be written as a sum of positive squares in only one way, i.e., 41216400 + 1838736 = 6420^2 + 1356^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (43055137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74461 + ... + 75036.

Almost surely, 2^43055136 is an apocalyptic number.

It is an amenable number.

43055136 is an abundant number, since it is smaller than the sum of its proper divisors (79383726).

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

43055136 is a wasteful number, since it uses less digits than its factorization.

43055136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149513 (or 149502 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 43055136 is about 6561.6412581000. The cubic root of 43055136 is about 350.4894811194.

The spelling of 43055136 in words is "forty-three million, fifty-five thousand, one hundred thirty-six".