25055050552 has 64 divisors (see below), whose sum is σ = 56112698880. Its totient is φ = 10254701952.

The previous prime is 25055050519. The next prime is 25055050589. The reversal of 25055050552 is 25505055052.

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, 813058 + ... + 843310.

It is an arithmetic number, because the mean of its divisors is an integer number (876760920).

Almost surely, 2^25055050552 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 25055050552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28056349440).

25055050552 is an abundant number, since it is smaller than the sum of its proper divisors (31057648328).

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

25055050552 is a wasteful number, since it uses less digits than its factorization.

25055050552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30932 (or 30928 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 25055050552 in words is "twenty-five billion, fifty-five million, fifty thousand, five hundred fifty-two".