28141550 has 12 divisors (see below), whose sum is σ = 52343376. Its totient is φ = 11256600.

The previous prime is 28141537. The next prime is 28141559. The reversal of 28141550 is 5514182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28141559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281366 + ... + 281465.

It is an arithmetic number, because the mean of its divisors is an integer number (4361948).

Almost surely, 2^28141550 is an apocalyptic number.

28141550 is a deficient number, since it is larger than the sum of its proper divisors (24201826).

28141550 is a wasteful number, since it uses less digits than its factorization.

28141550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562843 (or 562838 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 28141550 is about 5304.8609783858. The cubic root of 28141550 is about 304.1697387150.

The spelling of 28141550 in words is "twenty-eight million, one hundred forty-one thousand, five hundred fifty".