5601551 has 4 divisors (see below), whose sum is σ = 5931072. Its totient is φ = 5272032.

The previous prime is 5601527. The next prime is 5601593. The reversal of 5601551 is 1551065.

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 5601551 - 2²² = 1407247 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 (5601511) 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 3 ways as a sum of consecutive naturals, for example, 164735 + ... + 164768.

It is an arithmetic number, because the mean of its divisors is an integer number (1482768).

Almost surely, 2^5601551 is an apocalyptic number.

5601551 is a deficient number, since it is larger than the sum of its proper divisors (329521).

5601551 is a wasteful number, since it uses less digits than its factorization.

5601551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329520.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 5601551 is about 2366.7595991144. The cubic root of 5601551 is about 177.5971933484.

The spelling of 5601551 in words is "five million, six hundred one thousand, five hundred fifty-one".