28633057 has 16 divisors (see below), whose sum is σ = 31403520. Its totient is φ = 26006400.

The previous prime is 28633051. The next prime is 28633067. The reversal of 28633057 is 75033682.

It is a cyclic number.

It is not a de Polignac number, because 28633057 - 2²³ = 20244449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28633051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101757 + ... + 102037.

It is an arithmetic number, because the mean of its divisors is an integer number (1962720).

Almost surely, 2^28633057 is an apocalyptic number.

It is an amenable number.

28633057 is a deficient number, since it is larger than the sum of its proper divisors (2770463).

28633057 is a wasteful number, since it uses less digits than its factorization.

28633057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 28633057 is about 5350.9865445542. The cubic root of 28633057 is about 305.9303563723.

The spelling of 28633057 in words is "twenty-eight million, six hundred thirty-three thousand, fifty-seven".