43053559668 has 120 divisors (see below), whose sum is σ = 129903400704. Its totient is φ = 12179160000.

The previous prime is 43053559657. The next prime is 43053559697. The reversal of 43053559668 is 86695535034.

It is a happy number.

43053559668 is a `hidden beast` number, since 4 + 30 + 53 + 559 + 6 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 135093 + ... + 323043.

Almost surely, 2^43053559668 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 43053559668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64951700352).

43053559668 is an abundant number, since it is smaller than the sum of its proper divisors (86849841036).

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

43053559668 is a wasteful number, since it uses less digits than its factorization.

43053559668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188075 (or 188064 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 43053559668 in words is "forty-three billion, fifty-three million, five hundred fifty-nine thousand, six hundred sixty-eight".