25555250055053 has 4 divisors (see below), whose sum is σ = 25568865001020. Its totient is φ = 25541635109088.

The previous prime is 25555250055047. The next prime is 25555250055113. The reversal of 25555250055053 is 35055005255552.

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 7061147627524 + 18494102427529 = 2657282^2 + 4300477^2 .

It is a cyclic number.

It is not a de Polignac number, because 25555250055053 - 2⁸ = 25555250054797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25555250054989 and 25555250055007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555250055043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6807470168 + ... + 6807473921.

It is an arithmetic number, because the mean of its divisors is an integer number (6392216250255).

Almost surely, 2^{25555250055053} is an apocalyptic number.

It is an amenable number.

25555250055053 is a deficient number, since it is larger than the sum of its proper divisors (13614945967).

25555250055053 is a wasteful number, since it uses less digits than its factorization.

25555250055053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13614945966.

The product of its (nonzero) digits is 4687500, while the sum is 47.

The spelling of 25555250055053 in words is "twenty-five trillion, five hundred fifty-five billion, two hundred fifty million, fifty-five thousand, fifty-three".