545571504 has 40 divisors (see below), whose sum is σ = 1565993520. Its totient is φ = 181857024.

The previous prime is 545571503. The next prime is 545571539. The reversal of 545571504 is 405175545.

545571504 is a `hidden beast` number, since 54 + 557 + 1 + 50 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (545571503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631017 + ... + 631880.

It is an arithmetic number, because the mean of its divisors is an integer number (39149838).

Almost surely, 2^545571504 is an apocalyptic number.

545571504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

545571504 is an abundant number, since it is smaller than the sum of its proper divisors (1020422016).

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

545571504 is a wasteful number, since it uses less digits than its factorization.

545571504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262914 (or 1262902 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The square root of 545571504 is about 23357.4721234983. The cubic root of 545571504 is about 817.1163354137.

The spelling of 545571504 in words is "five hundred forty-five million, five hundred seventy-one thousand, five hundred four".