545616343 has 4 divisors (see below), whose sum is σ = 577711440. Its totient is φ = 513521248.

The previous prime is 545616329. The next prime is 545616347. The reversal of 545616343 is 343616545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343616545 = 5 ⋅68723309.

It is a cyclic number.

It is not a de Polignac number, because 545616343 - 2⁵ = 545616311 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545616347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16047523 + ... + 16047556.

It is an arithmetic number, because the mean of its divisors is an integer number (144427860).

Almost surely, 2^545616343 is an apocalyptic number.

545616343 is a deficient number, since it is larger than the sum of its proper divisors (32095097).

545616343 is a wasteful number, since it uses less digits than its factorization.

545616343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32095096.

The product of its digits is 129600, while the sum is 37.

The square root of 545616343 is about 23358.4319465156. The cubic root of 545616343 is about 817.1387203045.

The spelling of 545616343 in words is "five hundred forty-five million, six hundred sixteen thousand, three hundred forty-three".