55052780275305 has 12 divisors (see below), whose sum is σ = 95424819143940. Its totient is φ = 29361482813472.

The previous prime is 55052780275277. The next prime is 55052780275309. The reversal of 55052780275305 is 50357208725055.

55052780275305 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 2 + 7 + 80 + 27 + 530 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11838354557481 + 43214425717824 = 3440691^2 + 6573768^2 .

It is not a de Polignac number, because 55052780275305 - 2¹⁰ = 55052780274281 is a prime.

It is a super-2 number, since 2×55052780275305² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55052780275309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611697558570 + ... + 611697558659.

It is an arithmetic number, because the mean of its divisors is an integer number (7952068261995).

Almost surely, 2^{55052780275305} is an apocalyptic number.

It is an amenable number.

55052780275305 is a deficient number, since it is larger than the sum of its proper divisors (40372038868635).

55052780275305 is a wasteful number, since it uses less digits than its factorization.

55052780275305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223395117240 (or 1223395117237 counting only the distinct ones).

The product of its (nonzero) digits is 14700000, while the sum is 54.

The spelling of 55052780275305 in words is "fifty-five trillion, fifty-two billion, seven hundred eighty million, two hundred seventy-five thousand, three hundred five".