5651655 has 16 divisors (see below), whose sum is σ = 9214560. Its totient is φ = 2956928.

The previous prime is 5651623. The next prime is 5651707. The reversal of 5651655 is 5561565.

It is a cyclic number.

It is not a de Polignac number, because 5651655 - 2⁵ = 5651623 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2760 + ... + 4349.

It is an arithmetic number, because the mean of its divisors is an integer number (575910).

Almost surely, 2^5651655 is an apocalyptic number.

5651655 is a deficient number, since it is larger than the sum of its proper divisors (3562905).

5651655 is a wasteful number, since it uses less digits than its factorization.

5651655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170.

The product of its digits is 22500, while the sum is 33.

The square root of 5651655 is about 2377.3209711774. The cubic root of 5651655 is about 178.1251381963.

The spelling of 5651655 in words is "five million, six hundred fifty-one thousand, six hundred fifty-five".