25055887752 has 432 divisors, whose sum is σ = 84836082240. Its totient is φ = 6648276096.

The previous prime is 25055887723. The next prime is 25055887757. The reversal of 25055887752 is 25778855052.

25055887752 is a `hidden beast` number, since 2 + 5 + 0 + 5 + 588 + 7 + 7 + 52 = 666.

It is a super-2 number, since 2×25055887752² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25055887757) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 150035173 + ... + 150035339.

It is an arithmetic number, because the mean of its divisors is an integer number (196379820).

Almost surely, 2^25055887752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25055887752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42418041120).

25055887752 is an abundant number, since it is smaller than the sum of its proper divisors (59780194488).

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

25055887752 is a wasteful number, since it uses less digits than its factorization.

25055887752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 7840000, while the sum is 54.

The spelling of 25055887752 in words is "twenty-five billion, fifty-five million, eight hundred eighty-seven thousand, seven hundred fifty-two".