55275530505 has 48 divisors (see below), whose sum is σ = 99931211136. Its totient is φ = 26029386240.

The previous prime is 55275530503. The next prime is 55275530521. The reversal of 55275530505 is 50503557255.

It is not a de Polignac number, because 55275530505 - 2¹ = 55275530503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55275530503) 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 47 ways as a sum of consecutive naturals, for example, 415716 + ... + 532325.

It is an arithmetic number, because the mean of its divisors is an integer number (2081900232).

Almost surely, 2^55275530505 is an apocalyptic number.

It is an amenable number.

55275530505 is a deficient number, since it is larger than the sum of its proper divisors (44655680631).

55275530505 is a wasteful number, since it uses less digits than its factorization.

55275530505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948098 (or 948085 counting only the distinct ones).

The product of its (nonzero) digits is 656250, while the sum is 42.

The spelling of 55275530505 in words is "fifty-five billion, two hundred seventy-five million, five hundred thirty thousand, five hundred five".