55311787055 has 8 divisors (see below), whose sum is σ = 75856165152. Its totient is φ = 37928082528.

The previous prime is 55311787043. The next prime is 55311787099. The reversal of 55311787055 is 55078711355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55311787055 - 2⁴ = 55311787039 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 790168352 + ... + 790168421.

It is an arithmetic number, because the mean of its divisors is an integer number (9482020644).

Almost surely, 2^55311787055 is an apocalyptic number.

55311787055 is a deficient number, since it is larger than the sum of its proper divisors (20544378097).

55311787055 is a wasteful number, since it uses less digits than its factorization.

55311787055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580336785.

The product of its (nonzero) digits is 735000, while the sum is 47.

The spelling of 55311787055 in words is "fifty-five billion, three hundred eleven million, seven hundred eighty-seven thousand, fifty-five".