25025030055553 has 4 divisors (see below), whose sum is σ = 27300032787888. Its totient is φ = 22750027323220.

The previous prime is 25025030055527. The next prime is 25025030055563. The reversal of 25025030055553 is 35555003052052.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 25025030055553 - 2⁵ = 25025030055521 is a prime.

It is a super-2 number, since 2×25025030055553² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25025030055503) 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, 1137501366151 + ... + 1137501366172.

It is an arithmetic number, because the mean of its divisors is an integer number (6825008196972).

Almost surely, 2^{25025030055553} is an apocalyptic number.

It is an amenable number.

25025030055553 is a deficient number, since it is larger than the sum of its proper divisors (2275002732335).

25025030055553 is a wasteful number, since it uses less digits than its factorization.

25025030055553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275002732334.

The product of its (nonzero) digits is 562500, while the sum is 40.

The spelling of 25025030055553 in words is "twenty-five trillion, twenty-five billion, thirty million, fifty-five thousand, five hundred fifty-three".