543493442 has 16 divisors (see below), whose sum is σ = 860546400. Its totient is φ = 257437764.

The previous prime is 543493439. The next prime is 543493453. The reversal of 543493442 is 244394345.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 543493396 and 543493405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6092 + ... + 33527.

It is an arithmetic number, because the mean of its divisors is an integer number (53784150).

Almost surely, 2^543493442 is an apocalyptic number.

543493442 is a deficient number, since it is larger than the sum of its proper divisors (317052958).

543493442 is an equidigital number, since it uses as much as digits as its factorization.

543493442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39678 (or 39640 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 543493442 is about 23312.9458027080. The cubic root of 543493442 is about 816.0775599496.

The spelling of 543493442 in words is "five hundred forty-three million, four hundred ninety-three thousand, four hundred forty-two".