5523365640 has 64 divisors (see below), whose sum is σ = 17844724800. Its totient is φ = 1359597312.

The previous prime is 5523365629. The next prime is 5523365641. The reversal of 5523365640 is 465633255.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (5523365641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1768750 + ... + 1771869.

It is an arithmetic number, because the mean of its divisors is an integer number (278823825).

Almost surely, 2^5523365640 is an apocalyptic number.

It is an amenable number.

5523365640 is an abundant number, since it is smaller than the sum of its proper divisors (12321359160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5523365640 is a wasteful number, since it uses less digits than its factorization.

5523365640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540646 (or 3540642 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

The square root of 5523365640 is about 74319.3490283654. The cubic root of 5523365640 is about 1767.6702982930.

Adding to 5523365640 its reverse (465633255), we get a palindrome (5988998895).

The spelling of 5523365640 in words is "five billion, five hundred twenty-three million, three hundred sixty-five thousand, six hundred forty".