56029389866655 has 16 divisors (see below), whose sum is σ = 93544720473600. Its totient is φ = 28583109033248.

The previous prime is 56029389866587. The next prime is 56029389866693. The reversal of 56029389866655 is 55666898392065.

It is a cyclic number.

It is not a de Polignac number, because 56029389866655 - 2¹¹ = 56029389864607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81202013955 + ... + 81202014644.

It is an arithmetic number, because the mean of its divisors is an integer number (5846545029600).

Almost surely, 2^{56029389866655} is an apocalyptic number.

56029389866655 is a deficient number, since it is larger than the sum of its proper divisors (37515330606945).

56029389866655 is a wasteful number, since it uses less digits than its factorization.

56029389866655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162404028630.

The product of its (nonzero) digits is 5038848000, while the sum is 78.

The spelling of 56029389866655 in words is "fifty-six trillion, twenty-nine billion, three hundred eighty-nine million, eight hundred sixty-six thousand, six hundred fifty-five".