53028857 has 8 divisors (see below), whose sum is σ = 60685632. Its totient is φ = 45392400.

The previous prime is 53028851. The next prime is 53028883. The reversal of 53028857 is 75882035.

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 53028857 - 2⁴ = 53028841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53028857.

It is not an unprimeable number, because it can be changed into a prime (53028851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007 + ... + 10347.

It is an arithmetic number, because the mean of its divisors is an integer number (7585704).

Almost surely, 2^53028857 is an apocalyptic number.

It is an amenable number.

53028857 is a deficient number, since it is larger than the sum of its proper divisors (7656775).

53028857 is an equidigital number, since it uses as much as digits as its factorization.

53028857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10159.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 53028857 is about 7282.0915264778. The cubic root of 53028857 is about 375.6967360959.

The spelling of 53028857 in words is "fifty-three million, twenty-eight thousand, eight hundred fifty-seven".