545543674 has 8 divisors (see below), whose sum is σ = 881262900. Its totient is φ = 251789376.

The previous prime is 545543671. The next prime is 545543689. The reversal of 545543674 is 476345545.

It can be written as a sum of positive squares in 2 ways, for example, as 544895649 + 648025 = 23343^2 + 805^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 545543674.

It is not an unprimeable number, because it can be changed into a prime (545543671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10491199 + ... + 10491250.

Almost surely, 2^545543674 is an apocalyptic number.

545543674 is a deficient number, since it is larger than the sum of its proper divisors (335719226).

545543674 is a wasteful number, since it uses less digits than its factorization.

545543674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20982464.

The product of its digits is 1008000, while the sum is 43.

The square root of 545543674 is about 23356.8763750635. The cubic root of 545543674 is about 817.1024412775.

The spelling of 545543674 in words is "five hundred forty-five million, five hundred forty-three thousand, six hundred seventy-four".