56071002171502 has 8 divisors (see below), whose sum is σ = 84107540789496. Its totient is φ = 28035155241672.

The previous prime is 56071002171491. The next prime is 56071002171517. The reversal of 56071002171502 is 20517120017065.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172719333 + ... + 173043664.

It is an arithmetic number, because the mean of its divisors is an integer number (10513442598687).

Almost surely, 2^{56071002171502} is an apocalyptic number.

56071002171502 is a deficient number, since it is larger than the sum of its proper divisors (28036538617994).

56071002171502 is a wasteful number, since it uses less digits than its factorization.

56071002171502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345844082.

The product of its (nonzero) digits is 29400, while the sum is 37.

Adding to 56071002171502 its reverse (20517120017065), we get a palindrome (76588122188567).

The spelling of 56071002171502 in words is "fifty-six trillion, seventy-one billion, two million, one hundred seventy-one thousand, five hundred two".