25551053223 has 8 divisors (see below), whose sum is σ = 34293687936. Its totient is φ = 16921227000.

The previous prime is 25551053207. The next prime is 25551053237. The reversal of 25551053223 is 32235015552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25551053223 - 2⁴ = 25551053207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25551053293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28201593 + ... + 28202498.

It is an arithmetic number, because the mean of its divisors is an integer number (4286710992).

Almost surely, 2^25551053223 is an apocalyptic number.

25551053223 is a deficient number, since it is larger than the sum of its proper divisors (8742634713).

25551053223 is a wasteful number, since it uses less digits than its factorization.

25551053223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56404245.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 25551053223 its reverse (32235015552), we get a palindrome (57786068775).

The spelling of 25551053223 in words is "twenty-five billion, five hundred fifty-one million, fifty-three thousand, two hundred twenty-three".