25500050530 has 32 divisors (see below), whose sum is σ = 46086204528. Its totient is φ = 10158720000.

The previous prime is 25500050509. The next prime is 25500050531. The reversal of 25500050530 is 3505000552.

It can be written as a sum of positive squares in 8 ways, for example, as 9361143009 + 16138907521 = 96753^2 + 127039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25500050495 and 25500050504.

It is not an unprimeable number, because it can be changed into a prime (25500050531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4632780 + ... + 4638280.

Almost surely, 2^25500050530 is an apocalyptic number.

25500050530 is a deficient number, since it is larger than the sum of its proper divisors (20586153998).

25500050530 is a wasteful number, since it uses less digits than its factorization.

25500050530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302.

The product of its (nonzero) digits is 3750, while the sum is 25.

The spelling of 25500050530 in words is "twenty-five billion, five hundred million, fifty thousand, five hundred thirty".