5757280561 has 4 divisors (see below), whose sum is σ = 5836147492. Its totient is φ = 5678413632.

The previous prime is 5757280559. The next prime is 5757280567. The reversal of 5757280561 is 1650827575.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2385736336 + 3371544225 = 48844^2 + 58065^2 .

It is a cyclic number.

It is not a de Polignac number, because 5757280561 - 2¹ = 5757280559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5757280567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39433356 + ... + 39433501.

It is an arithmetic number, because the mean of its divisors is an integer number (1459036873).

Almost surely, 2^5757280561 is an apocalyptic number.

It is an amenable number.

5757280561 is a deficient number, since it is larger than the sum of its proper divisors (78866931).

5757280561 is an equidigital number, since it uses as much as digits as its factorization.

5757280561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78866930.

The product of its (nonzero) digits is 588000, while the sum is 46.

The square root of 5757280561 is about 75876.7458514135. The cubic root of 5757280561 is about 1792.2797498900.

The spelling of 5757280561 in words is "five billion, seven hundred fifty-seven million, two hundred eighty thousand, five hundred sixty-one".