550278055253 has 4 divisors (see below), whose sum is σ = 550406839788. Its totient is φ = 550149270720.

The previous prime is 550278055219. The next prime is 550278055259. The reversal of 550278055253 is 352550872055.

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 107032356964 + 443245698289 = 327158^2 + 665767^2 .

It is a cyclic number.

It is not a de Polignac number, because 550278055253 - 2⁶ = 550278055189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550278055198 and 550278055207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550278055259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64385858 + ... + 64394403.

It is an arithmetic number, because the mean of its divisors is an integer number (137601709947).

Almost surely, 2^550278055253 is an apocalyptic number.

It is an amenable number.

550278055253 is a deficient number, since it is larger than the sum of its proper divisors (128784535).

550278055253 is a wasteful number, since it uses less digits than its factorization.

550278055253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128784534.

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 550278055253 in words is "five hundred fifty billion, two hundred seventy-eight million, fifty-five thousand, two hundred fifty-three".