55040744755 has 4 divisors (see below), whose sum is σ = 66048893712. Its totient is φ = 44032595800.

The previous prime is 55040744741. The next prime is 55040744779. The reversal of 55040744755 is 55744704055.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55040744755 - 2¹³ = 55040736563 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 5504074471 + ... + 5504074480.

It is an arithmetic number, because the mean of its divisors is an integer number (16512223428).

Almost surely, 2^55040744755 is an apocalyptic number.

55040744755 is a deficient number, since it is larger than the sum of its proper divisors (11008148957).

55040744755 is a wasteful number, since it uses less digits than its factorization.

55040744755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11008148956.

The product of its (nonzero) digits is 1960000, while the sum is 46.

The spelling of 55040744755 in words is "fifty-five billion, forty million, seven hundred forty-four thousand, seven hundred fifty-five".