53613203 has 6 divisors (see below), whose sum is σ = 62366436. Its totient is φ = 45954132.

The previous prime is 53613173. The next prime is 53613221. The reversal of 53613203 is 30231635.

It is not a de Polignac number, because 53613203 - 2¹⁸ = 53351059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53613233) 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 5 ways as a sum of consecutive naturals, for example, 547025 + ... + 547122.

It is an arithmetic number, because the mean of its divisors is an integer number (10394406).

Almost surely, 2^53613203 is an apocalyptic number.

53613203 is a deficient number, since it is larger than the sum of its proper divisors (8753233).

53613203 is a wasteful number, since it uses less digits than its factorization.

53613203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094161 (or 1094154 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 53613203 is about 7322.1037277547. The cubic root of 53613203 is about 377.0716818014.

Adding to 53613203 its reverse (30231635), we get a palindrome (83844838).

The spelling of 53613203 in words is "fifty-three million, six hundred thirteen thousand, two hundred three".