25555500000553 has 8 divisors (see below), whose sum is σ = 25678658880000. Its totient is φ = 25432417552128.

The previous prime is 25555500000517. The next prime is 25555500000587. The reversal of 25555500000553 is 35500000555552.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25555500000553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25555500000353) 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, 18437368 + ... + 19774921.

It is an arithmetic number, because the mean of its divisors is an integer number (3209832360000).

Almost surely, 2^{25555500000553} is an apocalyptic number.

It is an amenable number.

25555500000553 is a deficient number, since it is larger than the sum of its proper divisors (123158879447).

25555500000553 is a wasteful number, since it uses less digits than its factorization.

25555500000553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38215511.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 25555500000553 in words is "twenty-five trillion, five hundred fifty-five billion, five hundred million, five hundred fifty-three", and thus it is an aban number.