545511312 has 30 divisors (see below), whose sum is σ = 1526674422. Its totient is φ = 181837056.

The previous prime is 545511301. The next prime is 545511331. The reversal of 545511312 is 213115545.

545511312 is a `hidden beast` number, since 545 + 5 + 113 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 513294336 + 32216976 = 22656^2 + 5676^2 .

It is a super-2 number, since 2×545511312² = 595165183039922688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1893993 + ... + 1894280.

Almost surely, 2^545511312 is an apocalyptic number.

It is an amenable number.

545511312 is an abundant number, since it is smaller than the sum of its proper divisors (981163110).

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

545511312 is a wasteful number, since it uses less digits than its factorization.

545511312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788287 (or 3788278 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 545511312 is about 23356.1835923594. The cubic root of 545511312 is about 817.0862839447.

Adding to 545511312 its reverse (213115545), we get a palindrome (758626857).

The spelling of 545511312 in words is "five hundred forty-five million, five hundred eleven thousand, three hundred twelve".