56172322 has 12 divisors (see below), whose sum is σ = 88927686. Its totient is φ = 26607600.

The previous prime is 56172299. The next prime is 56172323. The reversal of 56172322 is 22327165.

56172322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47045881 + 9126441 = 6859^2 + 3021^2 .

It is not an unprimeable number, because it can be changed into a prime (56172323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38179 + ... + 39622.

Almost surely, 2^56172322 is an apocalyptic number.

56172322 is a deficient number, since it is larger than the sum of its proper divisors (32755364).

56172322 is a wasteful number, since it uses less digits than its factorization.

56172322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77841 (or 77822 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 56172322 is about 7494.8196776173. The cubic root of 56172322 is about 382.9782634397.

Adding to 56172322 its reverse (22327165), we get a palindrome (78499487).

It can be divided in two parts, 561723 and 22, that multiplied together give a triangular number (12357906 = T₄₉₇₁).

The spelling of 56172322 in words is "fifty-six million, one hundred seventy-two thousand, three hundred twenty-two".