25530550253 has 16 divisors (see below), whose sum is σ = 28112675136. Its totient is φ = 23042603520.

The previous prime is 25530550237. The next prime is 25530550273. The reversal of 25530550253 is 35205503552.

It is a cyclic number.

It is not a de Polignac number, because 25530550253 - 2⁴ = 25530550237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530550273) 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 15 ways as a sum of consecutive naturals, for example, 17303 + ... + 226628.

It is an arithmetic number, because the mean of its divisors is an integer number (1757042196).

Almost surely, 2^25530550253 is an apocalyptic number.

It is an amenable number.

25530550253 is a deficient number, since it is larger than the sum of its proper divisors (2582124883).

25530550253 is a wasteful number, since it uses less digits than its factorization.

25530550253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244124.

The product of its (nonzero) digits is 112500, while the sum is 35.

The spelling of 25530550253 in words is "twenty-five billion, five hundred thirty million, five hundred fifty thousand, two hundred fifty-three".