25535053552 has 20 divisors (see below), whose sum is σ = 51180172920. Its totient is φ = 12327267008.

The previous prime is 25535053547. The next prime is 25535053567.

It is a happy number.

25535053552 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27515758 + ... + 27516685.

It is an arithmetic number, because the mean of its divisors is an integer number (2559008646).

Almost surely, 2^25535053552 is an apocalyptic number.

It is an amenable number.

25535053552 is an abundant number, since it is smaller than the sum of its proper divisors (25645119368).

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

25535053552 is a wasteful number, since it uses less digits than its factorization.

25535053552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55032480 (or 55032474 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 40.

The spelling of 25535053552 in words is "twenty-five billion, five hundred thirty-five million, fifty-three thousand, five hundred fifty-two".