28113055 has 8 divisors (see below), whose sum is σ = 34372512. Its totient is φ = 22065888.

The previous prime is 28113037. The next prime is 28113077. The reversal of 28113055 is 55031182.

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 28113055 - 2¹³ = 28104863 is a prime.

It is a super-2 number, since 2×28113055² = 1580687722866050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52779 + ... + 53308.

It is an arithmetic number, because the mean of its divisors is an integer number (4296564).

Almost surely, 2^28113055 is an apocalyptic number.

28113055 is a deficient number, since it is larger than the sum of its proper divisors (6259457).

28113055 is a wasteful number, since it uses less digits than its factorization.

28113055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106145.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 28113055 is about 5302.1745538977. The cubic root of 28113055 is about 304.0670407027.

The spelling of 28113055 in words is "twenty-eight million, one hundred thirteen thousand, fifty-five".