25552889000 has 32 divisors (see below), whose sum is σ = 59793762600. Its totient is φ = 10221155200.

The previous prime is 25552888997. The next prime is 25552889009. The reversal of 25552889000 is 98825552.

It can be written as a sum of positive squares in 4 ways, for example, as 6236892676 + 19315996324 = 78974^2 + 138982^2 .

It is not an unprimeable number, because it can be changed into a prime (25552889009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12775445 + ... + 12777444.

Almost surely, 2^25552889000 is an apocalyptic number.

25552889000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25552889000 is an abundant number, since it is smaller than the sum of its proper divisors (34240873600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25552889000 is a wasteful number, since it uses less digits than its factorization.

25552889000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25552910 (or 25552896 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 25552889000 in words is "twenty-five billion, five hundred fifty-two million, eight hundred eighty-nine thousand".