56169229 has 4 divisors (see below), whose sum is σ = 56372284. Its totient is φ = 55966176.

The previous prime is 56169199. The next prime is 56169247. The reversal of 56169229 is 92296165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16793604 + 39375625 = 4098^2 + 6275^2 .

It is a cyclic number.

It is not a de Polignac number, because 56169229 - 2¹⁵ = 56136461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56169191 and 56169200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56169929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101112 + ... + 101665.

It is an arithmetic number, because the mean of its divisors is an integer number (14093071).

Almost surely, 2^56169229 is an apocalyptic number.

It is an amenable number.

56169229 is a deficient number, since it is larger than the sum of its proper divisors (203055).

56169229 is a wasteful number, since it uses less digits than its factorization.

56169229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203054.

The product of its digits is 58320, while the sum is 40.

The square root of 56169229 is about 7494.6133322540. The cubic root of 56169229 is about 382.9712340377.

The spelling of 56169229 in words is "fifty-six million, one hundred sixty-nine thousand, two hundred twenty-nine".