56671144210247 has 8 divisors (see below), whose sum is σ = 66856280727552. Its totient is φ = 47008322386200.

The previous prime is 56671144210237. The next prime is 56671144210357. The reversal of 56671144210247 is 74201244117665.

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

It is not a de Polignac number, because 56671144210247 - 2³⁰ = 56670070468423 is a prime.

It is a super-2 number, since 2×56671144210247² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56671144210195 and 56671144210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56671144210237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130578673079 + ... + 130578673512.

It is an arithmetic number, because the mean of its divisors is an integer number (8357035090944).

Almost surely, 2^{56671144210247} is an apocalyptic number.

56671144210247 is a deficient number, since it is larger than the sum of its proper divisors (10185136517305).

56671144210247 is a wasteful number, since it uses less digits than its factorization.

56671144210247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261157346629.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 56671144210247 in words is "fifty-six trillion, six hundred seventy-one billion, one hundred forty-four million, two hundred ten thousand, two hundred forty-seven".