28535755 has 8 divisors (see below), whose sum is σ = 35731872. Its totient is φ = 21835968.

The previous prime is 28535737. The next prime is 28535807. The reversal of 28535755 is 55753582.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28535755 - 2¹³ = 28527563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123954 + ... + 124183.

It is an arithmetic number, because the mean of its divisors is an integer number (4466484).

Almost surely, 2^28535755 is an apocalyptic number.

28535755 is a deficient number, since it is larger than the sum of its proper divisors (7196117).

28535755 is a wasteful number, since it uses less digits than its factorization.

28535755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248165.

The product of its digits is 210000, while the sum is 40.

The square root of 28535755 is about 5341.8868389362. The cubic root of 28535755 is about 305.5834214929.

The spelling of 28535755 in words is "twenty-eight million, five hundred thirty-five thousand, seven hundred fifty-five".