56811446 has 4 divisors (see below), whose sum is σ = 85217172. Its totient is φ = 28405722.

The previous prime is 56811427. The next prime is 56811457. The reversal of 56811446 is 64411865.

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

It is a super-2 number, since 2×56811446² = 6455080793221832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14202860 + ... + 14202863.

It is an arithmetic number, because the mean of its divisors is an integer number (21304293).

Almost surely, 2^56811446 is an apocalyptic number.

56811446 is a deficient number, since it is larger than the sum of its proper divisors (28405726).

56811446 is a wasteful number, since it uses less digits than its factorization.

56811446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28405725.

The product of its digits is 23040, while the sum is 35.

The square root of 56811446 is about 7537.3367975698. The cubic root of 56811446 is about 384.4252874564.

The spelling of 56811446 in words is "fifty-six million, eight hundred eleven thousand, four hundred forty-six".