25540055300 has 36 divisors (see below), whose sum is σ = 55428887220. Its totient is φ = 10214737920.

The previous prime is 25540055293. The next prime is 25540055309. The reversal of 25540055300 is 355004552.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8213071876 + 17326983424 = 90626^2 + 131632^2 .

It is not an unprimeable number, because it can be changed into a prime (25540055309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1444916 + ... + 1462484.

Almost surely, 2^25540055300 is an apocalyptic number.

25540055300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25540055300 is an abundant number, since it is smaller than the sum of its proper divisors (29888831920).

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

25540055300 is a wasteful number, since it uses less digits than its factorization.

25540055300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32120 (or 32113 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

Adding to 25540055300 its reverse (355004552), we get a palindrome (25895059852).

The spelling of 25540055300 in words is "twenty-five billion, five hundred forty million, fifty-five thousand, three hundred".