28551312053 has 8 divisors (see below), whose sum is σ = 31734563616. Its totient is φ = 25466006800.

The previous prime is 28551312047. The next prime is 28551312061. The reversal of 28551312053 is 35021315582.

It is a happy number.

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 28551312053 - 2¹⁶ = 28551246517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28551312073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24485963 + ... + 24487128.

It is an arithmetic number, because the mean of its divisors is an integer number (3966820452).

Almost surely, 2^28551312053 is an apocalyptic number.

It is an amenable number.

28551312053 is a deficient number, since it is larger than the sum of its proper divisors (3183251563).

28551312053 is a wasteful number, since it uses less digits than its factorization.

28551312053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48973155.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 28551312053 in words is "twenty-eight billion, five hundred fifty-one million, three hundred twelve thousand, fifty-three".