53032503 has 32 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 30711296.

The previous prime is 53032501. The next prime is 53032513. The reversal of 53032503 is 30523035.

It is a cyclic number.

It is not a de Polignac number, because 53032503 - 2¹ = 53032501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53032503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53032501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33238 + ... + 34796.

It is an arithmetic number, because the mean of its divisors is an integer number (2527200).

Almost surely, 2^53032503 is an apocalyptic number.

53032503 is a deficient number, since it is larger than the sum of its proper divisors (27837897).

53032503 is a wasteful number, since it uses less digits than its factorization.

53032503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 53032503 is about 7282.3418623407. The cubic root of 53032503 is about 375.7053462438.

Adding to 53032503 its reverse (30523035), we get a palindrome (83555538).

It can be divided in two parts, 53032 and 503, that added together give a palindrome (53535).

The spelling of 53032503 in words is "fifty-three million, thirty-two thousand, five hundred three".