25534843552 has 12 divisors (see below), whose sum is σ = 50271723306. Its totient is φ = 12767421760.

The previous prime is 25534843519. The next prime is 25534843567.

25534843552 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 25447906576 + 86936976 = 159524^2 + 9324^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398981899 + ... + 398981962.

Almost surely, 2^25534843552 is an apocalyptic number.

It is an amenable number.

25534843552 is a deficient number, since it is larger than the sum of its proper divisors (24736879754).

25534843552 is an equidigital number, since it uses as much as digits as its factorization.

25534843552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797963871 (or 797963863 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 46.

The spelling of 25534843552 in words is "twenty-five billion, five hundred thirty-four million, eight hundred forty-three thousand, five hundred fifty-two".