6557456575 has 12 divisors (see below), whose sum is σ = 8163649368. Its totient is φ = 5225060000.

The previous prime is 6557456573. The next prime is 6557456599. The reversal of 6557456575 is 5756547556.

It is not a de Polignac number, because 6557456575 - 2¹ = 6557456573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557456573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516232 + ... + 528781.

It is an arithmetic number, because the mean of its divisors is an integer number (680304114).

Almost surely, 2^6557456575 is an apocalyptic number.

6557456575 is a deficient number, since it is larger than the sum of its proper divisors (1606192793).

6557456575 is a wasteful number, since it uses less digits than its factorization.

6557456575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045274 (or 1045269 counting only the distinct ones).

The product of its digits is 22050000, while the sum is 55.

The square root of 6557456575 is about 80978.1240521167. The cubic root of 6557456575 is about 1871.7383603483.

The spelling of 6557456575 in words is "six billion, five hundred fifty-seven million, four hundred fifty-six thousand, five hundred seventy-five".