25553000553 has 8 divisors (see below), whose sum is σ = 34071458208. Its totient is φ = 17034938304.

The previous prime is 25553000531. The next prime is 25553000567. The reversal of 25553000553 is 35500035552.

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

It is not a de Polignac number, because 25553000553 - 2¹⁷ = 25552869481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25553000593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123201 + ... + 257457.

It is an arithmetic number, because the mean of its divisors is an integer number (4258932276).

Almost surely, 2^25553000553 is an apocalyptic number.

It is an amenable number.

25553000553 is a deficient number, since it is larger than the sum of its proper divisors (8518457655).

25553000553 is a wasteful number, since it uses less digits than its factorization.

25553000553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197703.

The product of its (nonzero) digits is 56250, while the sum is 33.

The spelling of 25553000553 in words is "twenty-five billion, five hundred fifty-three million, five hundred fifty-three", and thus it is an aban number.