55436942771 has 12 divisors (see below), whose sum is σ = 64492295688. Its totient is φ = 47514120192.

The previous prime is 55436942767. The next prime is 55436942791. The reversal of 55436942771 is 17724963455.

It is not a de Polignac number, because 55436942771 - 2² = 55436942767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55436942791) 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 11 ways as a sum of consecutive naturals, for example, 924320 + ... + 982466.

It is an arithmetic number, because the mean of its divisors is an integer number (5374357974).

Almost surely, 2^55436942771 is an apocalyptic number.

55436942771 is a deficient number, since it is larger than the sum of its proper divisors (9055352917).

55436942771 is a wasteful number, since it uses less digits than its factorization.

55436942771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77618 (or 77611 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The spelling of 55436942771 in words is "fifty-five billion, four hundred thirty-six million, nine hundred forty-two thousand, seven hundred seventy-one".