56444467 has 4 divisors (see below), whose sum is σ = 56612296. Its totient is φ = 56276640.

The previous prime is 56444447. The next prime is 56444489. The reversal of 56444467 is 76444465.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56444467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56444407) 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, 83409 + ... + 84082.

It is an arithmetic number, because the mean of its divisors is an integer number (14153074).

Almost surely, 2^56444467 is an apocalyptic number.

56444467 is a deficient number, since it is larger than the sum of its proper divisors (167829).

56444467 is a wasteful number, since it uses less digits than its factorization.

56444467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167828.

The product of its digits is 322560, while the sum is 40.

The square root of 56444467 is about 7512.9532808344. The cubic root of 56444467 is about 383.5957546948.

The spelling of 56444467 in words is "fifty-six million, four hundred forty-four thousand, four hundred sixty-seven".