43555550550495 has 48 divisors (see below), whose sum is σ = 70479168549408. Its totient is φ = 22969107333120.

The previous prime is 43555550550431. The next prime is 43555550550497. The reversal of 43555550550495 is 59405505555534.

It is not a de Polignac number, because 43555550550495 - 2⁶ = 43555550550431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43555550550497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154684435 + ... + 154965755.

It is an arithmetic number, because the mean of its divisors is an integer number (1468316011446).

Almost surely, 2^{43555550550495} is an apocalyptic number.

43555550550495 is a deficient number, since it is larger than the sum of its proper divisors (26923617998913).

43555550550495 is a wasteful number, since it uses less digits than its factorization.

43555550550495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282620 (or 282523 counting only the distinct ones).

The product of its (nonzero) digits is 168750000, while the sum is 60.

The spelling of 43555550550495 in words is "forty-three trillion, five hundred fifty-five billion, five hundred fifty million, five hundred fifty thousand, four hundred ninety-five".