25553455445 has 16 divisors (see below), whose sum is σ = 35406029568. Its totient is φ = 17341724160.

The previous prime is 25553455399. The next prime is 25553455481. The reversal of 25553455445 is 54455435552.

It is not a de Polignac number, because 25553455445 - 2²⁶ = 25486346581 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25553455445.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3760001 + ... + 3766790.

It is an arithmetic number, because the mean of its divisors is an integer number (2212876848).

Almost surely, 2^25553455445 is an apocalyptic number.

It is an amenable number.

25553455445 is a deficient number, since it is larger than the sum of its proper divisors (9852574123).

25553455445 is an equidigital number, since it uses as much as digits as its factorization.

25553455445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526900.

The product of its digits is 6000000, while the sum is 47.

The spelling of 25553455445 in words is "twenty-five billion, five hundred fifty-three million, four hundred fifty-five thousand, four hundred forty-five".