43213056 has 36 divisors (see below), whose sum is σ = 115011792. Its totient is φ = 14404096.

The previous prime is 43213033. The next prime is 43213061. The reversal of 43213056 is 65031234.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27366 + ... + 28901.

It is an arithmetic number, because the mean of its divisors is an integer number (3194772).

Almost surely, 2^43213056 is an apocalyptic number.

It is an amenable number.

43213056 is an abundant number, since it is smaller than the sum of its proper divisors (71798736).

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

43213056 is an equidigital number, since it uses as much as digits as its factorization.

43213056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56286 (or 56272 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 43213056 is about 6573.6638186022. The cubic root of 43213056 is about 350.9174731507.

The spelling of 43213056 in words is "forty-three million, two hundred thirteen thousand, fifty-six".