53011311 has 16 divisors (see below), whose sum is σ = 74860800. Its totient is φ = 33274368.

The previous prime is 53011279. The next prime is 53011327. The reversal of 53011311 is 11311035.

It is not a de Polignac number, because 53011311 - 2⁵ = 53011279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53011381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6735 + ... + 12303.

It is an arithmetic number, because the mean of its divisors is an integer number (4678800).

Almost surely, 2^53011311 is an apocalyptic number.

53011311 is a deficient number, since it is larger than the sum of its proper divisors (21849489).

53011311 is a wasteful number, since it uses less digits than its factorization.

53011311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 53011311 is about 7280.8866905069. The cubic root of 53011311 is about 375.6552951240.

Adding to 53011311 its reverse (11311035), we get a palindrome (64322346).

The spelling of 53011311 in words is "fifty-three million, eleven thousand, three hundred eleven".