5645599523 has 8 divisors (see below), whose sum is σ = 5973531600. Its totient is φ = 5320747008.

The previous prime is 5645599511. The next prime is 5645599607. The reversal of 5645599523 is 3259955465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5645599523 - 2⁴ = 5645599507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5645599423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766118 + ... + 773451.

It is an arithmetic number, because the mean of its divisors is an integer number (746691450).

Almost surely, 2^5645599523 is an apocalyptic number.

5645599523 is a deficient number, since it is larger than the sum of its proper divisors (327932077).

5645599523 is a wasteful number, since it uses less digits than its factorization.

5645599523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539781.

The product of its digits is 7290000, while the sum is 53.

The square root of 5645599523 is about 75137.2046525554. The cubic root of 5645599523 is about 1780.6149795039.

The spelling of 5645599523 in words is "five billion, six hundred forty-five million, five hundred ninety-nine thousand, five hundred twenty-three".