53311003 has 4 divisors (see below), whose sum is σ = 53664208. Its totient is φ = 52957800.

The previous prime is 53311001. The next prime is 53311007. The reversal of 53311003 is 30011335.

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 53311003 - 2¹ = 53311001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53311001) 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, 176376 + ... + 176677.

It is an arithmetic number, because the mean of its divisors is an integer number (13416052).

Almost surely, 2^53311003 is an apocalyptic number.

53311003 is a deficient number, since it is larger than the sum of its proper divisors (353205).

53311003 is a wasteful number, since it uses less digits than its factorization.

53311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353204.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 53311003 is about 7301.4384199280. The cubic root of 53311003 is about 376.3618700983.

Adding to 53311003 its reverse (30011335), we get a palindrome (83322338).

The spelling of 53311003 in words is "fifty-three million, three hundred eleven thousand, three".