5551065 has 32 divisors (see below), whose sum is σ = 10631040. Its totient is φ = 2731968.

The previous prime is 5551057. The next prime is 5551069. The reversal of 5551065 is 5601555.

5551065 is a `hidden beast` number, since 555 + 106 + 5 = 666.

It is not a de Polignac number, because 5551065 - 2³ = 5551057 is a prime.

It is a super-4 number, since 4×5551065⁴ (a number of 28 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5551069) 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 31 ways as a sum of consecutive naturals, for example, 174 + ... + 3336.

It is an arithmetic number, because the mean of its divisors is an integer number (332220).

Almost surely, 2^5551065 is an apocalyptic number.

It is an amenable number.

5551065 is a deficient number, since it is larger than the sum of its proper divisors (5079975).

5551065 is a wasteful number, since it uses less digits than its factorization.

5551065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 5551065 is about 2356.0698206972. The cubic root of 5551065 is about 177.0620293941.

The spelling of 5551065 in words is "five million, five hundred fifty-one thousand, sixty-five".