543577442 has 4 divisors (see below), whose sum is σ = 815366166. Its totient is φ = 271788720.

The previous prime is 543577439. The next prime is 543577451. The reversal of 543577442 is 244775345.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 373301041 + 170276401 = 19321^2 + 13049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 543577442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135894359 + ... + 135894362.

Almost surely, 2^543577442 is an apocalyptic number.

543577442 is a deficient number, since it is larger than the sum of its proper divisors (271788724).

543577442 is a wasteful number, since it uses less digits than its factorization.

543577442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271788723.

The product of its digits is 470400, while the sum is 41.

The square root of 543577442 is about 23314.7473072302. The cubic root of 543577442 is about 816.1196009253.

The spelling of 543577442 in words is "five hundred forty-three million, five hundred seventy-seven thousand, four hundred forty-two".