545747544 has 40 divisors (see below), whose sum is σ = 1528600260. Its totient is φ = 181915632.

The previous prime is 545747497. The next prime is 545747557. The reversal of 545747544 is 445747545.

545747544 is a `hidden beast` number, since 5 + 4 + 574 + 75 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545747544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 420454 + ... + 421749.

Almost surely, 2^545747544 is an apocalyptic number.

545747544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

545747544 is an abundant number, since it is smaller than the sum of its proper divisors (982852716).

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

545747544 is a wasteful number, since it uses less digits than its factorization.

545747544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842221 (or 842208 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 45.

The square root of 545747544 is about 23361.2402068041. The cubic root of 545747544 is about 817.2042124929.

Subtracting from 545747544 its reverse (445747545), we obtain a palindrome (99999999).

The spelling of 545747544 in words is "five hundred forty-five million, seven hundred forty-seven thousand, five hundred forty-four".