56319850171 has 32 divisors (see below), whose sum is σ = 66688997760. Its totient is φ = 47061202944.

The previous prime is 56319850163. The next prime is 56319850177. The reversal of 56319850171 is 17105891365.

It is a cyclic number.

It is not a de Polignac number, because 56319850171 - 2³ = 56319850163 is a prime.

It is a super-4 number, since 4×56319850171⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56319850177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1668861 + ... + 1702273.

It is an arithmetic number, because the mean of its divisors is an integer number (2084031180).

Almost surely, 2^56319850171 is an apocalyptic number.

56319850171 is a deficient number, since it is larger than the sum of its proper divisors (10369147589).

56319850171 is a wasteful number, since it uses less digits than its factorization.

56319850171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33735.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 56319850171 in words is "fifty-six billion, three hundred nineteen million, eight hundred fifty thousand, one hundred seventy-one".