55206081776 has 10 divisors (see below), whose sum is σ = 106961783472. Its totient is φ = 27603040880.

The previous prime is 55206081773. The next prime is 55206081811. The reversal of 55206081776 is 67718060255.

It is a super-2 number, since 2×55206081776² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55206081776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55206081773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725190040 + ... + 1725190071.

Almost surely, 2^55206081776 is an apocalyptic number.

It is an amenable number.

55206081776 is a deficient number, since it is larger than the sum of its proper divisors (51755701696).

55206081776 is a wasteful number, since it uses less digits than its factorization.

55206081776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450380119 (or 3450380113 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 55206081776 in words is "fifty-five billion, two hundred six million, eighty-one thousand, seven hundred seventy-six".