5561547 has 8 divisors (see below), whose sum is σ = 7805760. Its totient is φ = 3512520.

The previous prime is 5561537. The next prime is 5561579. The reversal of 5561547 is 7451655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5561547 - 2⁴ = 5561531 is a prime.

5561547 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5561537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48729 + ... + 48842.

It is an arithmetic number, because the mean of its divisors is an integer number (975720).

Almost surely, 2^5561547 is an apocalyptic number.

5561547 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

5561547 is a deficient number, since it is larger than the sum of its proper divisors (2244213).

5561547 is a wasteful number, since it uses less digits than its factorization.

5561547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97593.

The product of its digits is 21000, while the sum is 33.

The square root of 5561547 is about 2358.2932387640. The cubic root of 5561547 is about 177.1734072539.

The spelling of 5561547 in words is "five million, five hundred sixty-one thousand, five hundred forty-seven".