55778101675765 has 8 divisors (see below), whose sum is σ = 76495682298240. Its totient is φ = 38247841149072.

The previous prime is 55778101675721. The next prime is 55778101675771. The reversal of 55778101675765 is 56757610187755.

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

It is a cyclic number.

It is not a de Polignac number, because 55778101675765 - 2¹⁹ = 55778101151477 is a prime.

It is a super-2 number, since 2×55778101675765² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55778101675694 and 55778101675703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796830023905 + ... + 796830023974.

It is an arithmetic number, because the mean of its divisors is an integer number (9561960287280).

Almost surely, 2^{55778101675765} is an apocalyptic number.

It is an amenable number.

55778101675765 is a deficient number, since it is larger than the sum of its proper divisors (20717580622475).

55778101675765 is a wasteful number, since it uses less digits than its factorization.

55778101675765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593660047891.

The product of its (nonzero) digits is 432180000, while the sum is 70.

The spelling of 55778101675765 in words is "fifty-five trillion, seven hundred seventy-eight billion, one hundred one million, six hundred seventy-five thousand, seven hundred sixty-five".