5561047 has 4 divisors (see below), whose sum is σ = 5631520. Its totient is φ = 5490576.

The previous prime is 5561041. The next prime is 5561051. The reversal of 5561047 is 7401655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7401655 = 5 ⋅1480331.

It is a cyclic number.

It is not a de Polignac number, because 5561047 - 2¹¹ = 5558999 is a prime.

It is a Duffinian number.

5561047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561041) 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, 35118 + ... + 35275.

It is an arithmetic number, because the mean of its divisors is an integer number (1407880).

Almost surely, 2^5561047 is an apocalyptic number.

5561047 is the 1362-nd hex number.

5561047 is a deficient number, since it is larger than the sum of its proper divisors (70473).

5561047 is an equidigital number, since it uses as much as digits as its factorization.

5561047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70472.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 5561047 is about 2358.1872275118. The cubic root of 5561047 is about 177.1680976187.

The spelling of 5561047 in words is "five million, five hundred sixty-one thousand, forty-seven".