55081484787 has 16 divisors (see below), whose sum is σ = 83977765632. Its totient is φ = 31458606240.

The previous prime is 55081484761. The next prime is 55081484789. The reversal of 55081484787 is 78748418055.

It is not a de Polignac number, because 55081484787 - 2⁷ = 55081484659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55081484789) 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 in 15 ways as a sum of consecutive naturals, for example, 647664 + ... + 727757.

It is an arithmetic number, because the mean of its divisors is an integer number (5248610352).

Almost surely, 2^55081484787 is an apocalyptic number.

55081484787 is a deficient number, since it is larger than the sum of its proper divisors (28896280845).

55081484787 is a wasteful number, since it uses less digits than its factorization.

55081484787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377338.

The product of its (nonzero) digits is 10035200, while the sum is 57.

The spelling of 55081484787 in words is "fifty-five billion, eighty-one million, four hundred eighty-four thousand, seven hundred eighty-seven".