56172893 has 8 divisors (see below), whose sum is σ = 64317312. Its totient is φ = 48058416.

The previous prime is 56172889. The next prime is 56172917. The reversal of 56172893 is 39827165.

56172893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56172893 - 2² = 56172889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56172893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56172863) 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 7 ways as a sum of consecutive naturals, for example, 3305 + ... + 11102.

It is an arithmetic number, because the mean of its divisors is an integer number (8039664).

Almost surely, 2^56172893 is an apocalyptic number.

It is an amenable number.

56172893 is a deficient number, since it is larger than the sum of its proper divisors (8144419).

56172893 is a wasteful number, since it uses less digits than its factorization.

56172893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14971.

The product of its digits is 90720, while the sum is 41.

The square root of 56172893 is about 7494.8577704984. The cubic root of 56172893 is about 382.9795611123.

The spelling of 56172893 in words is "fifty-six million, one hundred seventy-two thousand, eight hundred ninety-three".