53011011 has 4 divisors (see below), whose sum is σ = 70681352. Its totient is φ = 35340672.

The previous prime is 53011001. The next prime is 53011031. The reversal of 53011011 is 11011035.

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

It is not a de Polignac number, because 53011011 - 2¹⁰ = 53009987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53011001) 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 3 ways as a sum of consecutive naturals, for example, 8835166 + ... + 8835171.

It is an arithmetic number, because the mean of its divisors is an integer number (17670338).

Almost surely, 2^53011011 is an apocalyptic number.

53011011 is a deficient number, since it is larger than the sum of its proper divisors (17670341).

53011011 is a wasteful number, since it uses less digits than its factorization.

53011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670340.

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 53011011 is about 7280.8660885914. The cubic root of 53011011 is about 375.6545864903.

Adding to 53011011 its reverse (11011035), we get a palindrome (64022046).

The spelling of 53011011 in words is "fifty-three million, eleven thousand, eleven".