546646445 has 16 divisors (see below), whose sum is σ = 665551920. Its totient is φ = 430977024.

The previous prime is 546646439. The next prime is 546646447. The reversal of 546646445 is 544646645.

It can be written as a sum of positive squares in 8 ways, for example, as 8684809 + 537961636 = 2947^2 + 23194^2 .

It is a cyclic number.

It is not a de Polignac number, because 546646445 - 2²⁰ = 545597869 is a prime.

It is a super-2 number, since 2×546646445² = 597644671662276050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 546646396 and 546646405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546646447) 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 15 ways as a sum of consecutive naturals, for example, 102587 + ... + 107783.

It is an arithmetic number, because the mean of its divisors is an integer number (41596995).

Almost surely, 2^546646445 is an apocalyptic number.

It is an amenable number.

546646445 is a deficient number, since it is larger than the sum of its proper divisors (118905475).

546646445 is a wasteful number, since it uses less digits than its factorization.

546646445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504.

The product of its digits is 1382400, while the sum is 44.

The square root of 546646445 is about 23380.4714452040. The cubic root of 546646445 is about 817.6526388446.

The spelling of 546646445 in words is "five hundred forty-six million, six hundred forty-six thousand, four hundred forty-five".