43253450556 has 24 divisors (see below), whose sum is σ = 100937122944. Its totient is φ = 14416044720.

The previous prime is 43253450551. The next prime is 43253450567. The reversal of 43253450556 is 65505435234.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43253450551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117880 + ... + 316863.

It is an arithmetic number, because the mean of its divisors is an integer number (4205713456).

Almost surely, 2^43253450556 is an apocalyptic number.

It is an amenable number.

43253450556 is an abundant number, since it is smaller than the sum of its proper divisors (57683672388).

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

43253450556 is a wasteful number, since it uses less digits than its factorization.

43253450556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443041 (or 443039 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 43253450556 in words is "forty-three billion, two hundred fifty-three million, four hundred fifty thousand, five hundred fifty-six".