56775750067766 has 8 divisors (see below), whose sum is σ = 85163657074464. Its totient is φ = 28387864376280.

The previous prime is 56775750067741. The next prime is 56775750067783. The reversal of 56775750067766 is 66776005757765.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 56775750067693 and 56775750067702.

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, 7766051 + ... + 13185713.

It is an arithmetic number, because the mean of its divisors is an integer number (10645457134308).

Almost surely, 2^{56775750067766} is an apocalyptic number.

56775750067766 is a deficient number, since it is larger than the sum of its proper divisors (28387907006698).

56775750067766 is a wasteful number, since it uses less digits than its factorization.

56775750067766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657606.

The product of its (nonzero) digits is 2722734000, while the sum is 74.

The spelling of 56775750067766 in words is "fifty-six trillion, seven hundred seventy-five billion, seven hundred fifty million, sixty-seven thousand, seven hundred sixty-six".