545617541 has 8 divisors (see below), whose sum is σ = 623721600. Its totient is φ = 467553168.

The previous prime is 545617519. The next prime is 545617543. The reversal of 545617541 is 145716545.

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 545617541 - 2¹⁸ = 545355397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545617495 and 545617504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545617543) 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, 30575 + ... + 45011.

It is an arithmetic number, because the mean of its divisors is an integer number (77965200).

Almost surely, 2^545617541 is an apocalyptic number.

It is an amenable number.

545617541 is a deficient number, since it is larger than the sum of its proper divisors (78104059).

545617541 is a wasteful number, since it uses less digits than its factorization.

545617541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19843.

The product of its digits is 84000, while the sum is 38.

The square root of 545617541 is about 23358.4575903462. The cubic root of 545617541 is about 817.1393183630.

The spelling of 545617541 in words is "five hundred forty-five million, six hundred seventeen thousand, five hundred forty-one".