25523432552 has 8 divisors (see below), whose sum is σ = 47856436050. Its totient is φ = 12761716272.

The previous prime is 25523432551. The next prime is 25523432609.

25523432552 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 25467691396 + 55741156 = 159586^2 + 7466^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25523432551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595214527 + ... + 1595214542.

Almost surely, 2^25523432552 is an apocalyptic number.

It is an amenable number.

25523432552 is a deficient number, since it is larger than the sum of its proper divisors (22333003498).

25523432552 is a wasteful number, since it uses less digits than its factorization.

25523432552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190429075 (or 3190429071 counting only the distinct ones).

The product of its digits is 360000, while the sum is 38.

The spelling of 25523432552 in words is "twenty-five billion, five hundred twenty-three million, four hundred thirty-two thousand, five hundred fifty-two".