25552805204 has 6 divisors (see below), whose sum is σ = 44717409114. Its totient is φ = 12776402600.

The previous prime is 25552805203. The next prime is 25552805207. The reversal of 25552805204 is 40250825552.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12918595600 + 12634209604 = 113660^2 + 112402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552805203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194100647 + ... + 3194100654.

It is an arithmetic number, because the mean of its divisors is an integer number (7452901519).

Almost surely, 2^25552805204 is an apocalyptic number.

It is an amenable number.

25552805204 is a deficient number, since it is larger than the sum of its proper divisors (19164603910).

25552805204 is a wasteful number, since it uses less digits than its factorization.

25552805204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388201305 (or 6388201303 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 25552805204 in words is "twenty-five billion, five hundred fifty-two million, eight hundred five thousand, two hundred four".