25562426552 has 64 divisors (see below), whose sum is σ = 52913347200. Its totient is φ = 11503503360.

The previous prime is 25562426521. The next prime is 25562426621.

25562426552 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305152 + ... + 1324592.

It is an arithmetic number, because the mean of its divisors is an integer number (826771050).

Almost surely, 2^25562426552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25562426552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26456673600).

25562426552 is an abundant number, since it is smaller than the sum of its proper divisors (27350920648).

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

25562426552 is a wasteful number, since it uses less digits than its factorization.

25562426552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19776 (or 19772 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 44.

The spelling of 25562426552 in words is "twenty-five billion, five hundred sixty-two million, four hundred twenty-six thousand, five hundred fifty-two".