25553007484 has 24 divisors (see below), whose sum is σ = 47233776128. Its totient is φ = 12076812720.

The previous prime is 25553007463. The next prime is 25553007569. The reversal of 25553007484 is 48470035552.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 25553007484.

It is a congruent number.

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, 2390862 + ... + 2401525.

Almost surely, 2^25553007484 is an apocalyptic number.

It is an amenable number.

25553007484 is a deficient number, since it is larger than the sum of its proper divisors (21680768644).

25553007484 is a wasteful number, since it uses less digits than its factorization.

25553007484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792465 (or 4792463 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 25553007484 in words is "twenty-five billion, five hundred fifty-three million, seven thousand, four hundred eighty-four".