53350311 has 32 divisors (see below), whose sum is σ = 83755008. Its totient is φ = 29576160.

The previous prime is 53350279. The next prime is 53350331. The reversal of 53350311 is 11305335.

It is a happy number.

It is not a de Polignac number, because 53350311 - 2⁵ = 53350279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53350331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188376 + ... + 188658.

It is an arithmetic number, because the mean of its divisors is an integer number (2617344).

Almost surely, 2^53350311 is an apocalyptic number.

53350311 is a deficient number, since it is larger than the sum of its proper divisors (30404697).

53350311 is a wasteful number, since it uses less digits than its factorization.

53350311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 53350311 is about 7304.1297222872. The cubic root of 53350311 is about 376.4543488050.

Adding to 53350311 its reverse (11305335), we get a palindrome (64655646).

The spelling of 53350311 in words is "fifty-three million, three hundred fifty thousand, three hundred eleven".