25050555552 has 48 divisors (see below), whose sum is σ = 71735684832. Its totient is φ = 7591077120.

The previous prime is 25050555539. The next prime is 25050555553. The reversal of 25050555552 is 25555505052.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 25050555552.

It is not an unprimeable number, because it can be changed into a prime (25050555553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11860003 + ... + 11862114.

It is an arithmetic number, because the mean of its divisors is an integer number (1494493434).

Almost surely, 2^25050555552 is an apocalyptic number.

25050555552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25050555552 is an abundant number, since it is smaller than the sum of its proper divisors (46685129280).

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

25050555552 is a wasteful number, since it uses less digits than its factorization.

25050555552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23722141 (or 23722133 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 25050555552 in words is "twenty-five billion, fifty million, five hundred fifty-five thousand, five hundred fifty-two".