28437053 has 12 divisors (see below), whose sum is σ = 30838140. Its totient is φ = 26199936.

The previous prime is 28437049. The next prime is 28437089. The reversal of 28437053 is 35073482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16999129 + 11437924 = 4123^2 + 3382^2 .

It is not a de Polignac number, because 28437053 - 2² = 28437049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28437043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12293 + ... + 14421.

It is an arithmetic number, because the mean of its divisors is an integer number (2569845).

Almost surely, 2^28437053 is an apocalyptic number.

It is an amenable number.

28437053 is a deficient number, since it is larger than the sum of its proper divisors (2401087).

28437053 is a wasteful number, since it uses less digits than its factorization.

28437053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 28437053 is about 5332.6403403942. The cubic root of 28437053 is about 305.2306881453.

The spelling of 28437053 in words is "twenty-eight million, four hundred thirty-seven thousand, fifty-three".