56111722 has 16 divisors (see below), whose sum is σ = 85318272. Its totient is φ = 27674640.

The previous prime is 56111719. The next prime is 56111729. The reversal of 56111722 is 22711165.

It is not an unprimeable number, because it can be changed into a prime (56111729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86403 + ... + 87049.

It is an arithmetic number, because the mean of its divisors is an integer number (5332392).

Almost surely, 2^56111722 is an apocalyptic number.

56111722 is a deficient number, since it is larger than the sum of its proper divisors (29206550).

56111722 is a wasteful number, since it uses less digits than its factorization.

56111722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173.

The product of its digits is 840, while the sum is 25.

The square root of 56111722 is about 7490.7757942686. The cubic root of 56111722 is about 382.8404919484.

Adding to 56111722 its reverse (22711165), we get a palindrome (78822887).

The spelling of 56111722 in words is "fifty-six million, one hundred eleven thousand, seven hundred twenty-two".