56187171201 has 32 divisors (see below), whose sum is σ = 89496373248. Its totient is φ = 30657623040.

The previous prime is 56187171181. The next prime is 56187171211. The reversal of 56187171201 is 10217178165.

It is not a de Polignac number, because 56187171201 - 2¹¹ = 56187169153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56187171201.

It is not an unprimeable number, because it can be changed into a prime (56187171211) 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, 177886 + ... + 379496.

It is an arithmetic number, because the mean of its divisors is an integer number (2796761664).

Almost surely, 2^56187171201 is an apocalyptic number.

It is an amenable number.

56187171201 is a deficient number, since it is larger than the sum of its proper divisors (33309202047).

56187171201 is a wasteful number, since it uses less digits than its factorization.

56187171201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202221.

The product of its (nonzero) digits is 23520, while the sum is 39.

The spelling of 56187171201 in words is "fifty-six billion, one hundred eighty-seven million, one hundred seventy-one thousand, two hundred one".