25398000055 has 8 divisors (see below), whose sum is σ = 32081684400. Its totient is φ = 19249010496.

The previous prime is 25398000049. The next prime is 25398000073. The reversal of 25398000055 is 55000089352.

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 25398000055 - 2¹⁷ = 25397868983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25397999978 and 25398000023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133673590 + ... + 133673779.

It is an arithmetic number, because the mean of its divisors is an integer number (4010210550).

Almost surely, 2^25398000055 is an apocalyptic number.

25398000055 is a deficient number, since it is larger than the sum of its proper divisors (6683684345).

25398000055 is a wasteful number, since it uses less digits than its factorization.

25398000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267347393.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 25398000055 in words is "twenty-five billion, three hundred ninety-eight million, fifty-five", and thus it is an aban number.