56745171 has 16 divisors (see below), whose sum is σ = 96076800. Its totient is φ = 32425704.

The previous prime is 56745149. The next prime is 56745217. The reversal of 56745171 is 17154765.

It is not a de Polignac number, because 56745171 - 2¹¹ = 56743123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56745131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149931 + ... + 150308.

It is an arithmetic number, because the mean of its divisors is an integer number (6004800).

Almost surely, 2^56745171 is an apocalyptic number.

56745171 is a deficient number, since it is larger than the sum of its proper divisors (39331629).

56745171 is a wasteful number, since it uses less digits than its factorization.

56745171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300255 (or 300249 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 56745171 is about 7532.9390678539. The cubic root of 56745171 is about 384.2757418899.

The spelling of 56745171 in words is "fifty-six million, seven hundred forty-five thousand, one hundred seventy-one".