55252775005 has 4 divisors (see below), whose sum is σ = 66303330012. Its totient is φ = 44202220000.

The previous prime is 55252774921. The next prime is 55252775009. The reversal of 55252775005 is 50057725255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11281201369 + 43971573636 = 106213^2 + 209694^2 .

It is not a de Polignac number, because 55252775005 - 2¹⁷ = 55252643933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55252775009) 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 3 ways as a sum of consecutive naturals, for example, 5525277496 + ... + 5525277505.

It is an arithmetic number, because the mean of its divisors is an integer number (16575832503).

Almost surely, 2^55252775005 is an apocalyptic number.

It is an amenable number.

55252775005 is a deficient number, since it is larger than the sum of its proper divisors (11050555007).

55252775005 is a wasteful number, since it uses less digits than its factorization.

55252775005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050555006.

The product of its (nonzero) digits is 612500, while the sum is 43.

The spelling of 55252775005 in words is "fifty-five billion, two hundred fifty-two million, seven hundred seventy-five thousand, five".