52503028 has 12 divisors (see below), whose sum is σ = 92028132. Its totient is φ = 26209280.

The previous prime is 52503007. The next prime is 52503029. The reversal of 52503028 is 82030525.

It can be written as a sum of positive squares in 2 ways, for example, as 44595684 + 7907344 = 6678^2 + 2812^2 .

It is a super-3 number, since 3×52503028³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52502993 and 52503011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52503029) 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 3 ways as a sum of consecutive naturals, for example, 7675 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (7669011).

Almost surely, 2^52503028 is an apocalyptic number.

It is an amenable number.

52503028 is a deficient number, since it is larger than the sum of its proper divisors (39525104).

52503028 is a wasteful number, since it uses less digits than its factorization.

52503028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122 (or 21120 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52503028 is about 7245.8973219333. The cubic root of 52503028 is about 374.4508180497.

The spelling of 52503028 in words is "fifty-two million, five hundred three thousand, twenty-eight".