43055430 has 96 divisors (see below), whose sum is σ = 117784800. Its totient is φ = 10053120.

The previous prime is 43055429. The next prime is 43055461. The reversal of 43055430 is 3455034.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43055430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105066 + ... + 105474.

It is an arithmetic number, because the mean of its divisors is an integer number (1226925).

Almost surely, 2^43055430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43055430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58892400).

43055430 is an abundant number, since it is smaller than the sum of its proper divisors (74729370).

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

43055430 is a wasteful number, since it uses less digits than its factorization.

43055430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 43055430 is about 6561.6636609933. The cubic root of 43055430 is about 350.4902788846.

The spelling of 43055430 in words is "forty-three million, fifty-five thousand, four hundred thirty".