56029389866657 has 16 divisors (see below), whose sum is σ = 56464646624640. Its totient is φ = 55595265069312.

The previous prime is 56029389866587. The next prime is 56029389866693. The reversal of 56029389866657 is 75666898392065.

It is not a de Polignac number, because 56029389866657 - 2²⁸ = 56029121431201 is a prime.

It is a super-2 number, since 2×56029389866657² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56029389266657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1759314308 + ... + 1759346154.

It is an arithmetic number, because the mean of its divisors is an integer number (3529040414040).

Almost surely, 2^{56029389866657} is an apocalyptic number.

It is an amenable number.

56029389866657 is a deficient number, since it is larger than the sum of its proper divisors (435256757983).

56029389866657 is a wasteful number, since it uses less digits than its factorization.

56029389866657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49192.

The product of its (nonzero) digits is 7054387200, while the sum is 80.

The spelling of 56029389866657 in words is "fifty-six trillion, twenty-nine billion, three hundred eighty-nine million, eight hundred sixty-six thousand, six hundred fifty-seven".