56491822 has 8 divisors (see below), whose sum is σ = 87028056. Its totient is φ = 27482472.

The previous prime is 56491819. The next prime is 56491829. The reversal of 56491822 is 22819465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56491829) 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 3 ways as a sum of consecutive naturals, for example, 381628 + ... + 381775.

It is an arithmetic number, because the mean of its divisors is an integer number (10878507).

Almost surely, 2^56491822 is an apocalyptic number.

56491822 is a deficient number, since it is larger than the sum of its proper divisors (30536234).

56491822 is a wasteful number, since it uses less digits than its factorization.

56491822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763442.

The product of its digits is 34560, while the sum is 37.

The square root of 56491822 is about 7516.1041770321. The cubic root of 56491822 is about 383.7029993331.

The spelling of 56491822 in words is "fifty-six million, four hundred ninety-one thousand, eight hundred twenty-two".