55916365766 has 4 divisors (see below), whose sum is σ = 83874548652. Its totient is φ = 27958182882.

The previous prime is 55916365721. The next prime is 55916365781. The reversal of 55916365766 is 66756361955.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13979091440 + ... + 13979091443.

It is an arithmetic number, because the mean of its divisors is an integer number (20968637163).

Almost surely, 2^55916365766 is an apocalyptic number.

55916365766 is a deficient number, since it is larger than the sum of its proper divisors (27958182886).

55916365766 is a wasteful number, since it uses less digits than its factorization.

55916365766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27958182885.

The product of its digits is 30618000, while the sum is 59.

The spelling of 55916365766 in words is "fifty-five billion, nine hundred sixteen million, three hundred sixty-five thousand, seven hundred sixty-six".