6553422517 has 4 divisors (see below), whose sum is σ = 6592664736. Its totient is φ = 6514180300.

The previous prime is 6553422511. The next prime is 6553422539. The reversal of 6553422517 is 7152243556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6553422517 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6553422517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553422511) 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 3 ways as a sum of consecutive naturals, for example, 19620859 + ... + 19621192.

It is an arithmetic number, because the mean of its divisors is an integer number (1648166184).

Almost surely, 2^6553422517 is an apocalyptic number.

It is an amenable number.

6553422517 is a deficient number, since it is larger than the sum of its proper divisors (39242219).

6553422517 is a wasteful number, since it uses less digits than its factorization.

6553422517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39242218.

The product of its digits is 252000, while the sum is 40.

The square root of 6553422517 is about 80953.2119004552. The cubic root of 6553422517 is about 1871.3544589626.

The spelling of 6553422517 in words is "six billion, five hundred fifty-three million, four hundred twenty-two thousand, five hundred seventeen".