2043550532455 has 16 divisors (see below), whose sum is σ = 2456961290784. Its totient is φ = 1631707608960.

The previous prime is 2043550532423. The next prime is 2043550532479. The reversal of 2043550532455 is 5542350553402.

It is not a de Polignac number, because 2043550532455 - 2⁵ = 2043550532423 is a prime.

It is a super-2 number, since 2×2043550532455² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18207489 + ... + 18319381.

It is an arithmetic number, because the mean of its divisors is an integer number (153560080674).

Almost surely, 2^{2043550532455} is an apocalyptic number.

2043550532455 is a deficient number, since it is larger than the sum of its proper divisors (413410758329).

2043550532455 is a wasteful number, since it uses less digits than its factorization.

2043550532455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118866.

The product of its (nonzero) digits is 1800000, while the sum is 43.

The spelling of 2043550532455 in words is "two trillion, forty-three billion, five hundred fifty million, five hundred thirty-two thousand, four hundred fifty-five".