75563412544 has 21 divisors (see below), whose sum is σ = 149950510741. Its totient is φ = 37780606720.

The previous prime is 75563412539. The next prime is 75563412569. The reversal of 75563412544 is 44521436557.

The square root of 75563412544 is 274888.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 62144506944 + 13418905600 = 249288^2 + 115840^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75563412494 and 75563412503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2181924 + ... + 2216284.

Almost surely, 2^75563412544 is an apocalyptic number.

75563412544 is the 274888-th square number.

It is an amenable number.

75563412544 is a deficient number, since it is larger than the sum of its proper divisors (74387098197).

75563412544 is an frugal number, since it uses more digits than its factorization.

75563412544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68734 (or 34363 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 46.

The spelling of 75563412544 in words is "seventy-five billion, five hundred sixty-three million, four hundred twelve thousand, five hundred forty-four".