5065551 has 16 divisors (see below), whose sum is σ = 7557120. Its totient is φ = 3353400.

The previous prime is 5065547. The next prime is 5065561. The reversal of 5065551 is 1555605.

5065551 is a `hidden beast` number, since 5 + 0 + 655 + 5 + 1 = 666.

It is not a de Polignac number, because 5065551 - 2² = 5065547 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5065531) 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, 3826 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (472320).

Almost surely, 2^5065551 is an apocalyptic number.

5065551 is a deficient number, since it is larger than the sum of its proper divisors (2491569).

5065551 is a wasteful number, since it uses less digits than its factorization.

5065551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1317 counting only the distinct ones).

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

The square root of 5065551 is about 2250.6778978788. The cubic root of 5065551 is about 171.7416235117.

The spelling of 5065551 in words is "five million, sixty-five thousand, five hundred fifty-one".