55280550025049 has 8 divisors (see below), whose sum is σ = 58594549384008. Its totient is φ = 51973462032640.

The previous prime is 55280550025031. The next prime is 55280550025073. The reversal of 55280550025049 is 94052005508255.

It can be written as a sum of positive squares in 4 ways, for example, as 9802628737225 + 45477921287824 = 3130915^2 + 6743732^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55280550025049 is a prime.

It is a super-2 number, since 2×55280550025049² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55280550024988 and 55280550025006.

It is not an unprimeable number, because it can be changed into a prime (55280550025009) 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 7 ways as a sum of consecutive naturals, for example, 1727825162 + ... + 1727857155.

It is an arithmetic number, because the mean of its divisors is an integer number (7324318673001).

Almost surely, 2^{55280550025049} is an apocalyptic number.

It is an amenable number.

55280550025049 is a deficient number, since it is larger than the sum of its proper divisors (3313999358959).

55280550025049 is a wasteful number, since it uses less digits than its factorization.

55280550025049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455683275.

The product of its (nonzero) digits is 3600000, while the sum is 50.

The spelling of 55280550025049 in words is "fifty-five trillion, two hundred eighty billion, five hundred fifty million, twenty-five thousand, forty-nine".