2133550523 has 4 divisors (see below), whose sum is σ = 2297669808. Its totient is φ = 1969431240.

The previous prime is 2133550513. The next prime is 2133550553. The reversal of 2133550523 is 3250553312.

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

It is a cyclic number.

It is not a de Polignac number, because 2133550523 - 2⁶ = 2133550459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133550513) 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, 82059623 + ... + 82059648.

It is an arithmetic number, because the mean of its divisors is an integer number (574417452).

Almost surely, 2^2133550523 is an apocalyptic number.

2133550523 is a deficient number, since it is larger than the sum of its proper divisors (164119285).

2133550523 is a wasteful number, since it uses less digits than its factorization.

2133550523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164119284.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 2133550523 is about 46190.3726224416. The cubic root of 2133550523 is about 1287.3628643079.

The spelling of 2133550523 in words is "two billion, one hundred thirty-three million, five hundred fifty thousand, five hundred twenty-three".