25055525548 has 24 divisors (see below), whose sum is σ = 48444957792. Its totient is φ = 11278189824.

The previous prime is 25055525507. The next prime is 25055525557. The reversal of 25055525548 is 84552555052.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 25055525498 and 25055525507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8008515 + ... + 8011642.

It is an arithmetic number, because the mean of its divisors is an integer number (2018539908).

Almost surely, 2^25055525548 is an apocalyptic number.

It is an amenable number.

25055525548 is a deficient number, since it is larger than the sum of its proper divisors (23389432244).

25055525548 is a wasteful number, since it uses less digits than its factorization.

25055525548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16020201 (or 16020199 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 46.

The spelling of 25055525548 in words is "twenty-five billion, fifty-five million, five hundred twenty-five thousand, five hundred forty-eight".