28000550055053 has 16 divisors (see below), whose sum is σ = 30605304752640. Its totient is φ = 25502273971200.

The previous prime is 28000550054999. The next prime is 28000550055109. The reversal of 28000550055053 is 35055005500082.

It is a cyclic number.

It is not a de Polignac number, because 28000550055053 - 2²⁴ = 28000533277837 is a prime.

It is a super-2 number, since 2×28000550055053² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28000550054998 and 28000550055016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28000550055353) 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, 11551973 + ... + 13764053.

It is an arithmetic number, because the mean of its divisors is an integer number (1912831547040).

Almost surely, 2^{28000550055053} is an apocalyptic number.

It is an amenable number.

28000550055053 is a deficient number, since it is larger than the sum of its proper divisors (2604754697587).

28000550055053 is a wasteful number, since it uses less digits than its factorization.

28000550055053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236148.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 28000550055053 in words is "twenty-eight trillion, five hundred fifty million, fifty-five thousand, fifty-three".