5155569 has 10 divisors (see below), whose sum is σ = 7701650. Its totient is φ = 3436992.

The previous prime is 5155567. The next prime is 5155603. The reversal of 5155569 is 9655515.

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 1411344 = 1935^2 + 1188^2 .

It is not a de Polignac number, because 5155569 - 2¹ = 5155567 is a prime.

It is a super-2 number, since 2×5155569² = 53159783427522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5155561) 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 9 ways as a sum of consecutive naturals, for example, 31744 + ... + 31905.

It is an arithmetic number, because the mean of its divisors is an integer number (770165).

Almost surely, 2^5155569 is an apocalyptic number.

It is an amenable number.

5155569 is a deficient number, since it is larger than the sum of its proper divisors (2546081).

5155569 is an equidigital number, since it uses as much as digits as its factorization.

5155569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63661 (or 63652 counting only the distinct ones).

The product of its digits is 33750, while the sum is 36.

The square root of 5155569 is about 2270.5878093569. The cubic root of 5155569 is about 172.7529747617.

It can be divided in two parts, 515 and 5569, that added together give a square (6084 = 78²).

The spelling of 5155569 in words is "five million, one hundred fifty-five thousand, five hundred sixty-nine".