28055088 has 30 divisors (see below), whose sum is σ = 78515684. Its totient is φ = 9351648.

The previous prime is 28055057. The next prime is 28055119. The reversal of 28055088 is 88055082.

28055088 is a `hidden beast` number, since 28 + 0 + 550 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (28055057) and next prime (28055119).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97270 + ... + 97557.

Almost surely, 2^28055088 is an apocalyptic number.

It is an amenable number.

28055088 is an abundant number, since it is smaller than the sum of its proper divisors (50460596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28055088 is a wasteful number, since it uses less digits than its factorization.

28055088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194841 (or 194832 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 28055088 is about 5296.7053910898. The cubic root of 28055088 is about 303.8579091274.

The spelling of 28055088 in words is "twenty-eight million, fifty-five thousand, eighty-eight".