25002755553 has 4 divisors (see below), whose sum is σ = 33337007408. Its totient is φ = 16668503700.

The previous prime is 25002755543. The next prime is 25002755563. The reversal of 25002755553 is 35555720052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25002755543) and next prime (25002755563).

It is not a de Polignac number, because 25002755553 - 2¹⁰ = 25002754529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25002755543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167125923 + ... + 4167125928.

It is an arithmetic number, because the mean of its divisors is an integer number (8334251852).

Almost surely, 2^25002755553 is an apocalyptic number.

It is an amenable number.

25002755553 is a deficient number, since it is larger than the sum of its proper divisors (8334251855).

25002755553 is an equidigital number, since it uses as much as digits as its factorization.

25002755553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334251854.

The product of its (nonzero) digits is 262500, while the sum is 39.

The spelling of 25002755553 in words is "twenty-five billion, two million, seven hundred fifty-five thousand, five hundred fifty-three".