5606551 has 4 divisors (see below), whose sum is σ = 5677600. Its totient is φ = 5535504.

The previous prime is 5606543. The next prime is 5606561. The reversal of 5606551 is 1556065.

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

It is a cyclic number.

It is not a de Polignac number, because 5606551 - 2³ = 5606543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5606561) 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, 35406 + ... + 35563.

It is an arithmetic number, because the mean of its divisors is an integer number (1419400).

Almost surely, 2^5606551 is an apocalyptic number.

5606551 is a deficient number, since it is larger than the sum of its proper divisors (71049).

5606551 is an equidigital number, since it uses as much as digits as its factorization.

5606551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71048.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5606551 is about 2367.8156600546. The cubic root of 5606551 is about 177.6500193061.

The spelling of 5606551 in words is "five million, six hundred six thousand, five hundred fifty-one".