28550654 has 32 divisors (see below), whose sum is σ = 49593600. Its totient is φ = 12191040.

The previous prime is 28550653. The next prime is 28550657. The reversal of 28550654 is 45605582.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28550653) 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 15 ways as a sum of consecutive naturals, for example, 69602 + ... + 70010.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^28550654 is an apocalyptic number.

28550654 is a deficient number, since it is larger than the sum of its proper divisors (21042946).

28550654 is a wasteful number, since it uses less digits than its factorization.

28550654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 28550654 is about 5343.2812016588. The cubic root of 28550654 is about 305.6365956627.

The spelling of 28550654 in words is "twenty-eight million, five hundred fifty thousand, six hundred fifty-four".