25275055553 has 8 divisors (see below), whose sum is σ = 28024801536. Its totient is φ = 22600645200.

The previous prime is 25275055543. The next prime is 25275055591. The reversal of 25275055553 is 35555057252.

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 25275055553 - 2⁸ = 25275055297 is a prime.

It is a super-2 number, since 2×25275055553² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25275055513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18833201 + ... + 18834542.

It is an arithmetic number, because the mean of its divisors is an integer number (3503100192).

Almost surely, 2^25275055553 is an apocalyptic number.

It is an amenable number.

25275055553 is a deficient number, since it is larger than the sum of its proper divisors (2749745983).

25275055553 is a wasteful number, since it uses less digits than its factorization.

25275055553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37667815.

The product of its (nonzero) digits is 1312500, while the sum is 44.

The spelling of 25275055553 in words is "twenty-five billion, two hundred seventy-five million, fifty-five thousand, five hundred fifty-three".