56172230 has 16 divisors (see below), whose sum is σ = 101352384. Its totient is φ = 22415040.

The previous prime is 56172229. The next prime is 56172241. The reversal of 56172230 is 3227165.

It is a self number, because there is not a number n which added to its sum of digits gives 56172230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 10826.

It is an arithmetic number, because the mean of its divisors is an integer number (6334524).

Almost surely, 2^56172230 is an apocalyptic number.

56172230 is a deficient number, since it is larger than the sum of its proper divisors (45180154).

56172230 is a wasteful number, since it uses less digits than its factorization.

56172230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 56172230 is about 7494.8135400422. The cubic root of 56172230 is about 382.9780543568.

Adding to 56172230 its reverse (3227165), we get a palindrome (59399395).

The spelling of 56172230 in words is "fifty-six million, one hundred seventy-two thousand, two hundred thirty".