28551562 has 16 divisors (see below), whose sum is σ = 46601352. Its totient is φ = 13040640.

The previous prime is 28551557. The next prime is 28551563. The reversal of 28551562 is 26515582.

It can be written as a sum of positive squares in 4 ways, for example, as 11978521 + 16573041 = 3461^2 + 4071^2 .

It is not an unprimeable number, because it can be changed into a prime (28551563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3139 + ... + 8182.

Almost surely, 2^28551562 is an apocalyptic number.

28551562 is a deficient number, since it is larger than the sum of its proper divisors (18049790).

28551562 is a wasteful number, since it uses less digits than its factorization.

28551562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433.

The product of its digits is 24000, while the sum is 34.

The square root of 28551562 is about 5343.3661675015. The cubic root of 28551562 is about 305.6398356946.

The spelling of 28551562 in words is "twenty-eight million, five hundred fifty-one thousand, five hundred sixty-two".