56517122 has 16 divisors (see below), whose sum is σ = 85821120. Its totient is φ = 27912432.

The previous prime is 56517121. The next prime is 56517157. The reversal of 56517122 is 22171565.

It is not an unprimeable number, because it can be changed into a prime (56517121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72728 + ... + 73500.

It is an arithmetic number, because the mean of its divisors is an integer number (5363820).

Almost surely, 2^56517122 is an apocalyptic number.

56517122 is a deficient number, since it is larger than the sum of its proper divisors (29303998).

56517122 is a wasteful number, since it uses less digits than its factorization.

56517122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its digits is 4200, while the sum is 29.

The square root of 56517122 is about 7517.7870414105. The cubic root of 56517122 is about 383.7602715582.

Adding to 56517122 its reverse (22171565), we get a palindrome (78688687).

The spelling of 56517122 in words is "fifty-six million, five hundred seventeen thousand, one hundred twenty-two".