25554530536 has 16 divisors (see below), whose sum is σ = 47916756000. Its totient is φ = 12776728944.

The previous prime is 25554530497. The next prime is 25554530549. The reversal of 25554530536 is 63503545552.

It is a junction number, because it is equal to n+sod(n) for n = 25554530492 and 25554530501.

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, 196315 + ... + 299413.

It is an arithmetic number, because the mean of its divisors is an integer number (2994797250).

Almost surely, 2^25554530536 is an apocalyptic number.

It is an amenable number.

25554530536 is a deficient number, since it is larger than the sum of its proper divisors (22362225464).

25554530536 is a wasteful number, since it uses less digits than its factorization.

25554530536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134088 (or 134084 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 43.

The spelling of 25554530536 in words is "twenty-five billion, five hundred fifty-four million, five hundred thirty thousand, five hundred thirty-six".