56747547501171 has 32 divisors (see below), whose sum is σ = 79727517162240. Its totient is φ = 35852075715456.

The previous prime is 56747547501157. The next prime is 56747547501173. The reversal of 56747547501171 is 17110574574765.

It is not a de Polignac number, because 56747547501171 - 2⁶ = 56747547501107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56747547501173) 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, 15958261 + ... + 19187526.

It is an arithmetic number, because the mean of its divisors is an integer number (2491484911320).

Almost surely, 2^{56747547501171} is an apocalyptic number.

56747547501171 is a deficient number, since it is larger than the sum of its proper divisors (22979969661069).

56747547501171 is a wasteful number, since it uses less digits than its factorization.

56747547501171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35146163.

The product of its (nonzero) digits is 28812000, while the sum is 60.

The spelling of 56747547501171 in words is "fifty-six trillion, seven hundred forty-seven billion, five hundred forty-seven million, five hundred one thousand, one hundred seventy-one".