5651506 has 8 divisors (see below), whose sum is σ = 9688320. Its totient is φ = 2422068.

The previous prime is 5651501. The next prime is 5651509. The reversal of 5651506 is 6051565.

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

It is not an unprimeable number, because it can be changed into a prime (5651501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201826 + ... + 201853.

It is an arithmetic number, because the mean of its divisors is an integer number (1211040).

Almost surely, 2^5651506 is an apocalyptic number.

5651506 is a deficient number, since it is larger than the sum of its proper divisors (4036814).

5651506 is a wasteful number, since it uses less digits than its factorization.

5651506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403688.

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

The square root of 5651506 is about 2377.2896331747. The cubic root of 5651506 is about 178.1235728212.

It can be divided in two parts, 5 and 651506, that added together give a triangular number (651511 = T₁₁₄₁).

The spelling of 5651506 in words is "five million, six hundred fifty-one thousand, five hundred six".