28550192 has 30 divisors (see below), whose sum is σ = 60806004. Its totient is φ = 12976480.

The previous prime is 28550099. The next prime is 28550201. The reversal of 28550192 is 29105582.

It is a super-2 number, since 2×28550192² = 1630226926473728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5438 + ... + 9309.

Almost surely, 2^28550192 is an apocalyptic number.

28550192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28550192 is an abundant number, since it is smaller than the sum of its proper divisors (32255812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28550192 is a wasteful number, since it uses less digits than its factorization.

28550192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14777 (or 14760 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 28550192 is about 5343.2379696210. The cubic root of 28550192 is about 305.6349470739.

The spelling of 28550192 in words is "twenty-eight million, five hundred fifty thousand, one hundred ninety-two".