53061503 has 16 divisors (see below), whose sum is σ = 61356960. Its totient is φ = 45427200.

The previous prime is 53061499. The next prime is 53061517. The reversal of 53061503 is 30516035.

It is a cyclic number.

It is not a de Polignac number, because 53061503 - 2² = 53061499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53061563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11051 + ... + 15107.

It is an arithmetic number, because the mean of its divisors is an integer number (3834810).

Almost surely, 2^53061503 is an apocalyptic number.

53061503 is a deficient number, since it is larger than the sum of its proper divisors (8295457).

53061503 is a wasteful number, since it uses less digits than its factorization.

53061503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 53061503 is about 7284.3327079424. The cubic root of 53061503 is about 375.7738166410.

Adding to 53061503 its reverse (30516035), we get a palindrome (83577538).

The spelling of 53061503 in words is "fifty-three million, sixty-one thousand, five hundred three".