557091536765 has 8 divisors (see below), whose sum is σ = 670659395328. Its totient is φ = 444240195280.

The previous prime is 557091536761. The next prime is 557091536767. The reversal of 557091536765 is 567635190755.

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

It is not a de Polignac number, because 557091536765 - 2² = 557091536761 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 (557091536761) 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, 179127557 + ... + 179130666.

It is an arithmetic number, because the mean of its divisors is an integer number (83832424416).

Almost surely, 2^557091536765 is an apocalyptic number.

It is an amenable number.

557091536765 is a deficient number, since it is larger than the sum of its proper divisors (113567858563).

557091536765 is a wasteful number, since it uses less digits than its factorization.

557091536765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358258539.

The product of its (nonzero) digits is 29767500, while the sum is 59.

The spelling of 557091536765 in words is "five hundred fifty-seven billion, ninety-one million, five hundred thirty-six thousand, seven hundred sixty-five".