55876638766 has 16 divisors (see below), whose sum is σ = 91792134000. Its totient is φ = 25352111808.

The previous prime is 55876638743. The next prime is 55876638787. The reversal of 55876638766 is 66783667855.

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, 18211191 + ... + 18214258.

It is an arithmetic number, because the mean of its divisors is an integer number (5737008375).

Almost surely, 2^55876638766 is an apocalyptic number.

55876638766 is a deficient number, since it is larger than the sum of its proper divisors (35915495234).

55876638766 is a wasteful number, since it uses less digits than its factorization.

55876638766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36425523.

The product of its digits is 304819200, while the sum is 67.

The spelling of 55876638766 in words is "fifty-five billion, eight hundred seventy-six million, six hundred thirty-eight thousand, seven hundred sixty-six".