545557465771 has 16 divisors (see below), whose sum is σ = 551259812160. Its totient is φ = 539882703360.

The previous prime is 545557465759. The next prime is 545557465777. The reversal of 545557465771 is 177564755545.

It is a cyclic number.

It is not a de Polignac number, because 545557465771 - 2³³ = 536967531179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545557465777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65591305 + ... + 65599621.

It is an arithmetic number, because the mean of its divisors is an integer number (34453738260).

Almost surely, 2^545557465771 is an apocalyptic number.

545557465771 is a deficient number, since it is larger than the sum of its proper divisors (5702346389).

545557465771 is a wasteful number, since it uses less digits than its factorization.

545557465771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9894.

The product of its digits is 102900000, while the sum is 61.

The spelling of 545557465771 in words is "five hundred forty-five billion, five hundred fifty-seven million, four hundred sixty-five thousand, seven hundred seventy-one".