6557217000557 has 8 divisors (see below), whose sum is σ = 6697674604800. Its totient is φ = 6416798660944.

The previous prime is 6557217000461. The next prime is 6557217000563. The reversal of 6557217000557 is 7550007127556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6557217000557 - 2¹⁴ = 6557216984173 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 (6557217000757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9478457 + ... + 10146702.

It is an arithmetic number, because the mean of its divisors is an integer number (837209325600).

Almost surely, 2^{6557217000557} is an apocalyptic number.

It is an amenable number.

6557217000557 is a deficient number, since it is larger than the sum of its proper divisors (140457604243).

6557217000557 is a wasteful number, since it uses less digits than its factorization.

6557217000557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19632315.

The product of its (nonzero) digits is 2572500, while the sum is 50.

The spelling of 6557217000557 in words is "six trillion, five hundred fifty-seven billion, two hundred seventeen million, five hundred fifty-seven", and thus it is an aban number.