28655053 has 12 divisors (see below), whose sum is σ = 33443040. Its totient is φ = 24480792.

The previous prime is 28655051. The next prime is 28655083. The reversal of 28655053 is 35055682.

It is a happy number.

It is not a de Polignac number, because 28655053 - 2¹ = 28655051 is a prime.

It is a super-2 number, since 2×28655053² = 1642224124865618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28655051) 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, 17800 + ... + 19342.

It is an arithmetic number, because the mean of its divisors is an integer number (2786920).

Almost surely, 2^28655053 is an apocalyptic number.

It is an amenable number.

28655053 is a deficient number, since it is larger than the sum of its proper divisors (4787987).

28655053 is a wasteful number, since it uses less digits than its factorization.

28655053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 28655053 is about 5353.0414719111. The cubic root of 28655053 is about 306.0086751923.

The spelling of 28655053 in words is "twenty-eight million, six hundred fifty-five thousand, fifty-three".