56172430 has 16 divisors (see below), whose sum is σ = 101322000. Its totient is φ = 22421952.

The previous prime is 56172427. The next prime is 56172451. The reversal of 56172430 is 3427165.

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, 639 + ... + 10618.

It is an arithmetic number, because the mean of its divisors is an integer number (6332625).

Almost surely, 2^56172430 is an apocalyptic number.

56172430 is a deficient number, since it is larger than the sum of its proper divisors (45149570).

56172430 is a wasteful number, since it uses less digits than its factorization.

56172430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11763.

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

The square root of 56172430 is about 7494.8268825904. The cubic root of 56172430 is about 382.9785088846.

Adding to 56172430 its reverse (3427165), we get a palindrome (59599595).

The spelling of 56172430 in words is "fifty-six million, one hundred seventy-two thousand, four hundred thirty".