25504040552 has 8 divisors (see below), whose sum is σ = 47820076050. Its totient is φ = 12752020272.

The previous prime is 25504040539. The next prime is 25504040561.

25504040552 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 16846482436 + 8657558116 = 129794^2 + 93046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594002527 + ... + 1594002542.

Almost surely, 2^25504040552 is an apocalyptic number.

It is an amenable number.

25504040552 is a deficient number, since it is larger than the sum of its proper divisors (22316035498).

25504040552 is a wasteful number, since it uses less digits than its factorization.

25504040552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188005075 (or 3188005071 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

It can be divided in two parts, 255040 and 40552, that added together give a palindrome (295592).

The spelling of 25504040552 in words is "twenty-five billion, five hundred four million, forty thousand, five hundred fifty-two".