28277053 has 16 divisors (see below), whose sum is σ = 33546240. Its totient is φ = 23324400.

The previous prime is 28277017. The next prime is 28277057. The reversal of 28277053 is 35077282.

It is a de Polignac number, because none of the positive numbers 2^k-28277053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28277057) 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, 67278 + ... + 67696.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 2^28277053 is an apocalyptic number.

It is an amenable number.

28277053 is a deficient number, since it is larger than the sum of its proper divisors (5269187).

28277053 is a wasteful number, since it uses less digits than its factorization.

28277053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 28277053 is about 5317.6172295493. The cubic root of 28277053 is about 304.6571548460.

The spelling of 28277053 in words is "twenty-eight million, two hundred seventy-seven thousand, fifty-three".