546878546 has 4 divisors (see below), whose sum is σ = 820317822. Its totient is φ = 273439272.

The previous prime is 546878513. The next prime is 546878557. The reversal of 546878546 is 645878645.

It is a happy number.

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., 520980625 + 25897921 = 22825^2 + 5089^2 .

It is a super-2 number, since 2×546878546² = 598152288150148232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136719635 + ... + 136719638.

Almost surely, 2^546878546 is an apocalyptic number.

546878546 is a deficient number, since it is larger than the sum of its proper divisors (273439276).

546878546 is a wasteful number, since it uses less digits than its factorization.

546878546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273439275.

The product of its digits is 6451200, while the sum is 53.

The square root of 546878546 is about 23385.4344838833. The cubic root of 546878546 is about 817.7683450406.

Subtracting 546878546 from its reverse (645878645), we obtain a palindrome (99000099).

The spelling of 546878546 in words is "five hundred forty-six million, eight hundred seventy-eight thousand, five hundred forty-six".