546545644 has 6 divisors (see below), whose sum is σ = 956454884. Its totient is φ = 273272820.

The previous prime is 546545641. The next prime is 546545651. The reversal of 546545644 is 446545645.

It is a self number, because there is not a number n which added to its sum of digits gives 546545644.

It is not an unprimeable number, because it can be changed into a prime (546545641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68318202 + ... + 68318209.

Almost surely, 2^546545644 is an apocalyptic number.

It is an amenable number.

546545644 is a deficient number, since it is larger than the sum of its proper divisors (409909240).

546545644 is a wasteful number, since it uses less digits than its factorization.

546545644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136636415 (or 136636413 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The square root of 546545644 is about 23378.3156792785. The cubic root of 546545644 is about 817.6023776743.

Subtracting from 546545644 its reverse (446545645), we obtain a palindrome (99999999).

The spelling of 546545644 in words is "five hundred forty-six million, five hundred forty-five thousand, six hundred forty-four".