55776716654 has 32 divisors (see below), whose sum is σ = 88314124800. Its totient is φ = 26346993120.

The previous prime is 55776716647. The next prime is 55776716669. The reversal of 55776716654 is 45661767755.

It is a super-2 number, since 2×55776716654² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55776716593 and 55776716602.

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, 30461519 + ... + 30463349.

It is an arithmetic number, because the mean of its divisors is an integer number (2759816400).

Almost surely, 2^55776716654 is an apocalyptic number.

55776716654 is a deficient number, since it is larger than the sum of its proper divisors (32537408146).

55776716654 is a wasteful number, since it uses less digits than its factorization.

55776716654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648.

The product of its digits is 37044000, while the sum is 59.

The spelling of 55776716654 in words is "fifty-five billion, seven hundred seventy-six million, seven hundred sixteen thousand, six hundred fifty-four".