56446911 has 12 divisors (see below), whose sum is σ = 81772600. Its totient is φ = 37521360.

The previous prime is 56446909. The next prime is 56446913. The reversal of 56446911 is 11964465.

56446911 is a `hidden beast` number, since 5 + 644 + 6 + 9 + 1 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (56446909) and next prime (56446913).

It is not a de Polignac number, because 56446911 - 2¹ = 56446909 is a prime.

It is a super-2 number, since 2×56446911² = 6372507522883842, 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 (56446913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5845 + ... + 12126.

Almost surely, 2^56446911 is an apocalyptic number.

56446911 is a deficient number, since it is larger than the sum of its proper divisors (25325689).

56446911 is a wasteful number, since it uses less digits than its factorization.

56446911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18326 (or 18323 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 56446911 is about 7513.1159314894. The cubic root of 56446911 is about 383.6012910774.

The spelling of 56446911 in words is "fifty-six million, four hundred forty-six thousand, nine hundred eleven".