56446469 has 4 divisors (see below), whose sum is σ = 56467296. Its totient is φ = 56425644.

The previous prime is 56446451. The next prime is 56446493. The reversal of 56446469 is 96464465.

It is a happy number.

56446469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56446469 is a prime.

It is a super-2 number, since 2×56446469² = 6372407725135922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56446769) 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 3 ways as a sum of consecutive naturals, for example, 5609 + ... + 12014.

It is an arithmetic number, because the mean of its divisors is an integer number (14116824).

Almost surely, 2^56446469 is an apocalyptic number.

It is an amenable number.

56446469 is a deficient number, since it is larger than the sum of its proper divisors (20827).

56446469 is a wasteful number, since it uses less digits than its factorization.

56446469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20826.

The product of its digits is 622080, while the sum is 44.

The square root of 56446469 is about 7513.0865162062. The cubic root of 56446469 is about 383.6002898285.

The spelling of 56446469 in words is "fifty-six million, four hundred forty-six thousand, four hundred sixty-nine".