43000005500050 has 12 divisors (see below), whose sum is σ = 79980010230186. Its totient is φ = 17200002200000.

The previous prime is 43000005500033. The next prime is 43000005500057. The reversal of 43000005500050 is 5000550000034.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 32161681450129 + 10838324049921 = 5671127^2 + 3292161^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43000005499994 and 43000005500030.

It is not an unprimeable number, because it can be changed into a prime (43000005500057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 430000054951 + ... + 430000055050.

Almost surely, 2^{43000005500050} is an apocalyptic number.

43000005500050 is a deficient number, since it is larger than the sum of its proper divisors (36980004730136).

43000005500050 is a wasteful number, since it uses less digits than its factorization.

43000005500050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860000110013 (or 860000110008 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

Adding to 43000005500050 its reverse (5000550000034), we get a palindrome (48000555500084).

The spelling of 43000005500050 in words is "forty-three trillion, five million, five hundred thousand, fifty".