5523512645 has 16 divisors (see below), whose sum is σ = 7609082880. Its totient is φ = 3770561664.

The previous prime is 5523512641. The next prime is 5523512671. The reversal of 5523512645 is 5462153255.

It is a cyclic number.

It is not a de Polignac number, because 5523512645 - 2² = 5523512641 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5523512599 and 5523512608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5523512641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346040 + ... + 361649.

It is an arithmetic number, because the mean of its divisors is an integer number (475567680).

Almost surely, 2^5523512645 is an apocalyptic number.

It is an amenable number.

5523512645 is a deficient number, since it is larger than the sum of its proper divisors (2085570235).

5523512645 is a wasteful number, since it uses less digits than its factorization.

5523512645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707924.

The product of its digits is 180000, while the sum is 38.

The square root of 5523512645 is about 74320.3380307167. The cubic root of 5523512645 is about 1767.6859804020.

The spelling of 5523512645 in words is "five billion, five hundred twenty-three million, five hundred twelve thousand, six hundred forty-five".