25255250553 has 16 divisors (see below), whose sum is σ = 36602870976. Its totient is φ = 15396440640.

The previous prime is 25255250519. The next prime is 25255250597. The reversal of 25255250553 is 35505255252.

It is not a de Polignac number, because 25255250553 - 2¹⁰ = 25255249529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (25255250453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3021858 + ... + 3030203.

It is an arithmetic number, because the mean of its divisors is an integer number (2287679436).

Almost surely, 2^25255250553 is an apocalyptic number.

It is an amenable number.

25255250553 is a deficient number, since it is larger than the sum of its proper divisors (11347620423).

25255250553 is a wasteful number, since it uses less digits than its factorization.

25255250553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052184.

The product of its (nonzero) digits is 375000, while the sum is 39.

The spelling of 25255250553 in words is "twenty-five billion, two hundred fifty-five million, two hundred fifty thousand, five hundred fifty-three".