546275561 has 8 divisors (see below), whose sum is σ = 593504520. Its totient is φ = 499790592.

The previous prime is 546275551. The next prime is 546275617. The reversal of 546275561 is 165572645.

It can be written as a sum of positive squares in 4 ways, for example, as 72777961 + 473497600 = 8531^2 + 21760^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546275561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546275551) 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, 184466 + ... + 187403.

It is an arithmetic number, because the mean of its divisors is an integer number (74188065).

Almost surely, 2^546275561 is an apocalyptic number.

It is an amenable number.

546275561 is a deficient number, since it is larger than the sum of its proper divisors (47228959).

546275561 is a wasteful number, since it uses less digits than its factorization.

546275561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371995.

The product of its digits is 252000, while the sum is 41.

The square root of 546275561 is about 23372.5386083754. The cubic root of 546275561 is about 817.4676790209.

The spelling of 546275561 in words is "five hundred forty-six million, two hundred seventy-five thousand, five hundred sixty-one".