25553200432 has 20 divisors (see below), whose sum is σ = 50019734296. Its totient is φ = 12644881920.

The previous prime is 25553200423. The next prime is 25553200493. The reversal of 25553200432 is 23400235552.

It is a junction number, because it is equal to n+sod(n) for n = 25553200394 and 25553200403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8230794 + ... + 8233897.

Almost surely, 2^25553200432 is an apocalyptic number.

It is an amenable number.

25553200432 is a deficient number, since it is larger than the sum of its proper divisors (24466533864).

25553200432 is a wasteful number, since it uses less digits than its factorization.

25553200432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464796 (or 16464790 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 25553200432 its reverse (23400235552), we get a palindrome (48953435984).

The spelling of 25553200432 in words is "twenty-five billion, five hundred fifty-three million, two hundred thousand, four hundred thirty-two".