53022803 has 4 divisors (see below), whose sum is σ = 54733248. Its totient is φ = 51312360.

The previous prime is 53022793. The next prime is 53022811. The reversal of 53022803 is 30822035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53022803 - 2⁸ = 53022547 is a prime.

It is a super-2 number, since 2×53022803² = 5622835275953618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53022883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855176 + ... + 855237.

It is an arithmetic number, because the mean of its divisors is an integer number (13683312).

Almost surely, 2^53022803 is an apocalyptic number.

53022803 is a deficient number, since it is larger than the sum of its proper divisors (1710445).

53022803 is a wasteful number, since it uses less digits than its factorization.

53022803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710444.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 53022803 is about 7281.6758373331. The cubic root of 53022803 is about 375.6824385056.

Adding to 53022803 its reverse (30822035), we get a palindrome (83844838).

The spelling of 53022803 in words is "fifty-three million, twenty-two thousand, eight hundred three".