557455657217326 has 16 divisors (see below), whose sum is σ = 1011852285369696. Its totient is φ = 224856063415296.

The previous prime is 557455657217321. The next prime is 557455657217341. The reversal of 557455657217326 is 623712756554755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557455657217321) 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, 1171125330051 + ... + 1171125330526.

It is an arithmetic number, because the mean of its divisors is an integer number (63240767835606).

Almost surely, 2^{557455657217326} is an apocalyptic number.

557455657217326 is a deficient number, since it is larger than the sum of its proper divisors (454396628152370).

557455657217326 is a wasteful number, since it uses less digits than its factorization.

557455657217326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342250660603.

The product of its digits is 1852200000, while the sum is 70.

The spelling of 557455657217326 in words is "five hundred fifty-seven trillion, four hundred fifty-five billion, six hundred fifty-seven million, two hundred seventeen thousand, three hundred twenty-six".