28275275553 has 16 divisors (see below), whose sum is σ = 44476010496. Its totient is φ = 15636096720.

The previous prime is 28275275533. The next prime is 28275275557. The reversal of 28275275553 is 35557257282.

It is not a de Polignac number, because 28275275553 - 2¹² = 28275271457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28275275496 and 28275275505.

It is not an unprimeable number, because it can be changed into a prime (28275275557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21716151 + ... + 21717452.

It is an arithmetic number, because the mean of its divisors is an integer number (2779750656).

Almost surely, 2^28275275553 is an apocalyptic number.

It is an amenable number.

28275275553 is a deficient number, since it is larger than the sum of its proper divisors (16200734943).

28275275553 is a wasteful number, since it uses less digits than its factorization.

28275275553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43433644.

The product of its digits is 5880000, while the sum is 51.

The spelling of 28275275553 in words is "twenty-eight billion, two hundred seventy-five million, two hundred seventy-five thousand, five hundred fifty-three".