28552107 has 8 divisors (see below), whose sum is σ = 38787984. Its totient is φ = 18675488.

The previous prime is 28552103. The next prime is 28552127. The reversal of 28552107 is 70125582.

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 28552107 - 2² = 28552103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28552103) 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, 89628 + ... + 89945.

It is an arithmetic number, because the mean of its divisors is an integer number (4848498).

Almost surely, 2^28552107 is an apocalyptic number.

28552107 is a deficient number, since it is larger than the sum of its proper divisors (10235877).

28552107 is a wasteful number, since it uses less digits than its factorization.

28552107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179629.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 28552107 is about 5343.4171650733. The cubic root of 28552107 is about 305.6417803944.

Adding to 28552107 its reverse (70125582), we get a palindrome (98677689).

The spelling of 28552107 in words is "twenty-eight million, five hundred fifty-two thousand, one hundred seven".