25555503053 has 8 divisors (see below), whose sum is σ = 25994552760. Its totient is φ = 25117102080.

The previous prime is 25555503037. The next prime is 25555503089. The reversal of 25555503053 is 35030555552.

It can be written as a sum of positive squares in 4 ways, for example, as 10023613924 + 15531889129 = 100118^2 + 124627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25555503053 - 2⁴ = 25555503037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25555502998 and 25555503016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555503553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82388 + ... + 240621.

It is an arithmetic number, because the mean of its divisors is an integer number (3249319095).

Almost surely, 2^25555503053 is an apocalyptic number.

It is an amenable number.

25555503053 is a deficient number, since it is larger than the sum of its proper divisors (439049707).

25555503053 is a wasteful number, since it uses less digits than its factorization.

25555503053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324367.

The product of its (nonzero) digits is 281250, while the sum is 38.

The spelling of 25555503053 in words is "twenty-five billion, five hundred fifty-five million, five hundred three thousand, fifty-three".