5966551 has 16 divisors (see below), whose sum is σ = 6582400. Its totient is φ = 5388768.

The previous prime is 5966549. The next prime is 5966557. The reversal of 5966551 is 1556695.

It is a cyclic number.

It is not a de Polignac number, because 5966551 - 2¹ = 5966549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5966551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5966557) 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 15 ways as a sum of consecutive naturals, for example, 54685 + ... + 54793.

It is an arithmetic number, because the mean of its divisors is an integer number (411400).

Almost surely, 2^5966551 is an apocalyptic number.

5966551 is a deficient number, since it is larger than the sum of its proper divisors (615849).

5966551 is a wasteful number, since it uses less digits than its factorization.

5966551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its digits is 40500, while the sum is 37.

The square root of 5966551 is about 2442.6524517418. The cubic root of 5966551 is about 181.3737583634.

The spelling of 5966551 in words is "five million, nine hundred sixty-six thousand, five hundred fifty-one".