53028003 has 16 divisors (see below), whose sum is σ = 81913856. Its totient is φ = 29885760.

The previous prime is 53027977. The next prime is 53028043. The reversal of 53028003 is 30082035.

It is not a de Polignac number, because 53028003 - 2⁶ = 53027939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53028043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15763 + ... + 18828.

It is an arithmetic number, because the mean of its divisors is an integer number (5119616).

Almost surely, 2^53028003 is an apocalyptic number.

53028003 is a deficient number, since it is larger than the sum of its proper divisors (28885853).

53028003 is a wasteful number, since it uses less digits than its factorization.

53028003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34674.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53028003 is about 7282.0328892418. The cubic root of 53028003 is about 375.6947192900.

The spelling of 53028003 in words is "fifty-three million, twenty-eight thousand, three".