545694436 has 24 divisors (see below), whose sum is σ = 1101594816. Its totient is φ = 231682080.

The previous prime is 545694371. The next prime is 545694451. The reversal of 545694436 is 634496545.

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 in 7 ways as a sum of consecutive naturals, for example, 88075 + ... + 94066.

It is an arithmetic number, because the mean of its divisors is an integer number (45899784).

Almost surely, 2^545694436 is an apocalyptic number.

It is an amenable number.

545694436 is an abundant number, since it is smaller than the sum of its proper divisors (555900380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545694436 is a wasteful number, since it uses less digits than its factorization.

545694436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182259 (or 182257 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 46.

The square root of 545694436 is about 23360.1035100446. The cubic root of 545694436 is about 817.1777036003.

The spelling of 545694436 in words is "five hundred forty-five million, six hundred ninety-four thousand, four hundred thirty-six".