55051802766 has 160 divisors (see below), whose sum is σ = 131971327488. Its totient is φ = 17114898240.

The previous prime is 55051802747. The next prime is 55051802843. The reversal of 55051802766 is 66720815055.

55051802766 is a `hidden beast` number, since 5 + 50 + 518 + 0 + 27 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

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 in 79 ways as a sum of consecutive naturals, for example, 25712056 + ... + 25714196.

Almost surely, 2^55051802766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55051802766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65985663744).

55051802766 is an abundant number, since it is smaller than the sum of its proper divisors (76919524722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55051802766 is a wasteful number, since it uses less digits than its factorization.

55051802766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 55051802766 in words is "fifty-five billion, fifty-one million, eight hundred two thousand, seven hundred sixty-six".