25000055300 has 72 divisors (see below), whose sum is σ = 59768174592. Its totient is φ = 9000880000.

The previous prime is 25000055299. The next prime is 25000055329. The reversal of 25000055300 is 355000052.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1412 + ... + 223611.

It is an arithmetic number, because the mean of its divisors is an integer number (830113536).

Almost surely, 2^25000055300 is an apocalyptic number.

25000055300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25000055300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29884087296).

25000055300 is an abundant number, since it is smaller than the sum of its proper divisors (34768119292).

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

25000055300 is a wasteful number, since it uses less digits than its factorization.

25000055300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225149 (or 225142 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

Adding to 25000055300 its reverse (355000052), we get a palindrome (25355055352).

The spelling of 25000055300 in words is "twenty-five billion, fifty-five thousand, three hundred".