56169249 has 16 divisors (see below), whose sum is σ = 76713792. Its totient is φ = 36546048.

The previous prime is 56169247. The next prime is 56169251. The reversal of 56169249 is 94296165.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56169247) and next prime (56169251).

It is not a de Polignac number, because 56169249 - 2¹ = 56169247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56169249.

It is not an unprimeable number, because it can be changed into a prime (56169247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21477 + ... + 23949.

It is an arithmetic number, because the mean of its divisors is an integer number (4794612).

Almost surely, 2^56169249 is an apocalyptic number.

It is an amenable number.

56169249 is a deficient number, since it is larger than the sum of its proper divisors (20544543).

56169249 is a wasteful number, since it uses less digits than its factorization.

56169249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656.

The product of its digits is 116640, while the sum is 42.

The square root of 56169249 is about 7494.6146665456. The cubic root of 56169249 is about 382.9712794921.

The spelling of 56169249 in words is "fifty-six million, one hundred sixty-nine thousand, two hundred forty-nine".