43385056 has 96 divisors (see below), whose sum is σ = 105840000. Its totient is φ = 17210880.

The previous prime is 43385051. The next prime is 43385057. The reversal of 43385056 is 65058334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43385051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86695 + ... + 87193.

It is an arithmetic number, because the mean of its divisors is an integer number (1102500).

Almost surely, 2^43385056 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 43385056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52920000).

43385056 is an abundant number, since it is smaller than the sum of its proper divisors (62454944).

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

43385056 is a wasteful number, since it uses less digits than its factorization.

43385056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 43385056 is about 6586.7333329960. The cubic root of 43385056 is about 351.3824398936.

The spelling of 43385056 in words is "forty-three million, three hundred eighty-five thousand, fifty-six".