5747561 has 4 divisors (see below), whose sum is σ = 5789652. Its totient is φ = 5705472.

The previous prime is 5747551. The next prime is 5747563. The reversal of 5747561 is 1657475.

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 2706025 + 3041536 = 1645^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 5747561 - 2¹⁰ = 5746537 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (5747563) 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, 20840 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (1447413).

Almost surely, 2^5747561 is an apocalyptic number.

It is an amenable number.

5747561 is a deficient number, since it is larger than the sum of its proper divisors (42091).

5747561 is a wasteful number, since it uses less digits than its factorization.

5747561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42090.

The product of its digits is 29400, while the sum is 35.

The square root of 5747561 is about 2397.4071410589. The cubic root of 5747561 is about 179.1270593778.

The spelling of 5747561 in words is "five million, seven hundred forty-seven thousand, five hundred sixty-one".