5450043523 has 4 divisors (see below), whose sum is σ = 5450341968. Its totient is φ = 5449745080.

The previous prime is 5450043517. The next prime is 5450043539. The reversal of 5450043523 is 3253400545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5450043523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5450043503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119911 + ... + 158992.

It is an arithmetic number, because the mean of its divisors is an integer number (1362585492).

Almost surely, 2^5450043523 is an apocalyptic number.

5450043523 is a deficient number, since it is larger than the sum of its proper divisors (298445).

5450043523 is a wasteful number, since it uses less digits than its factorization.

5450043523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298444.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 5450043523 is about 73824.4100755299. The cubic root of 5450043523 is about 1759.8135480642.

The spelling of 5450043523 in words is "five billion, four hundred fifty million, forty-three thousand, five hundred twenty-three".