56172202 has 8 divisors (see below), whose sum is σ = 84546756. Its totient is φ = 27989952.

The previous prime is 56172157. The next prime is 56172203. The reversal of 56172202 is 20227165.

It can be written as a sum of positive squares in 2 ways, for example, as 56115081 + 57121 = 7491^2 + 239^2 .

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

It is not an unprimeable number, because it can be changed into a prime (56172203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47343 + ... + 48514.

Almost surely, 2^56172202 is an apocalyptic number.

56172202 is a deficient number, since it is larger than the sum of its proper divisors (28374554).

56172202 is a wasteful number, since it uses less digits than its factorization.

56172202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96152.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 56172202 is about 7494.8116720836. The cubic root of 56172202 is about 382.9779907228.

Adding to 56172202 its reverse (20227165), we get a palindrome (76399367).

The spelling of 56172202 in words is "fifty-six million, one hundred seventy-two thousand, two hundred two".