25525030550 has 48 divisors (see below), whose sum is σ = 48406937472. Its totient is φ = 10010208000.

The previous prime is 25525030529. The next prime is 25525030577. The reversal of 25525030550 is 5503052552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5167682 + ... + 5172618.

It is an arithmetic number, because the mean of its divisors is an integer number (1008477864).

Almost surely, 2^25525030550 is an apocalyptic number.

25525030550 is a deficient number, since it is larger than the sum of its proper divisors (22881906922).

25525030550 is a wasteful number, since it uses less digits than its factorization.

25525030550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6953 (or 6948 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 32.

The spelling of 25525030550 in words is "twenty-five billion, five hundred twenty-five million, thirty thousand, five hundred fifty".