6565569048 has 120 divisors (see below), whose sum is σ = 19535607300. Its totient is φ = 2059727616.

The previous prime is 6565569011. The next prime is 6565569061. The reversal of 6565569048 is 8409655656.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6565568985 and 6565569003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 169743 + ... + 204801.

Almost surely, 2^6565569048 is an apocalyptic number.

6565569048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6565569048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9767803650).

6565569048 is an abundant number, since it is smaller than the sum of its proper divisors (12970038252).

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

6565569048 is a wasteful number, since it uses less digits than its factorization.

6565569048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35111 (or 35081 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The square root of 6565569048 is about 81028.1990914274. The cubic root of 6565569048 is about 1872.5099079394.

The spelling of 6565569048 in words is "six billion, five hundred sixty-five million, five hundred sixty-nine thousand, forty-eight".