6755021571 has 4 divisors (see below), whose sum is σ = 9006695432. Its totient is φ = 4503347712.

The previous prime is 6755021549. The next prime is 6755021573. The reversal of 6755021571 is 1751205576.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6755021571 - 2²⁵ = 6721467139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6755021573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125836926 + ... + 1125836931.

It is an arithmetic number, because the mean of its divisors is an integer number (2251673858).

Almost surely, 2^6755021571 is an apocalyptic number.

6755021571 is a deficient number, since it is larger than the sum of its proper divisors (2251673861).

6755021571 is a wasteful number, since it uses less digits than its factorization.

6755021571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251673860.

The product of its (nonzero) digits is 73500, while the sum is 39.

The square root of 6755021571 is about 82188.9382520543. The cubic root of 6755021571 is about 1890.3501092680.

The spelling of 6755021571 in words is "six billion, seven hundred fifty-five million, twenty-one thousand, five hundred seventy-one".