6555124457 has 4 divisors (see below), whose sum is σ = 7491570816. Its totient is φ = 5618678100.

The previous prime is 6555124447. The next prime is 6555124517. The reversal of 6555124457 is 7544215556.

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 not a de Polignac number, because 6555124457 - 2²⁶ = 6488015593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6555124427) 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, 468223169 + ... + 468223182.

It is an arithmetic number, because the mean of its divisors is an integer number (1872892704).

Almost surely, 2^6555124457 is an apocalyptic number.

It is an amenable number.

6555124457 is a deficient number, since it is larger than the sum of its proper divisors (936446359).

6555124457 is an equidigital number, since it uses as much as digits as its factorization.

6555124457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936446358.

The product of its digits is 840000, while the sum is 44.

The square root of 6555124457 is about 80963.7230925061. The cubic root of 6555124457 is about 1871.5164433978.

The spelling of 6555124457 in words is "six billion, five hundred fifty-five million, one hundred twenty-four thousand, four hundred fifty-seven".