53805311 has 8 divisors (see below), whose sum is σ = 61716000. Its totient is φ = 45950688.

The previous prime is 53805299. The next prime is 53805317. The reversal of 53805311 is 11350835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53805311 - 2⁶ = 53805247 is a prime.

It is a super-2 number, since 2×53805311² = 5790022983613442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53805317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11936 + ... + 15813.

It is an arithmetic number, because the mean of its divisors is an integer number (7714500).

Almost surely, 2^53805311 is an apocalyptic number.

53805311 is a deficient number, since it is larger than the sum of its proper divisors (7910689).

53805311 is a wasteful number, since it uses less digits than its factorization.

53805311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28033.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 53805311 is about 7335.2103582651. The cubic root of 53805311 is about 377.5215220980.

The spelling of 53805311 in words is "fifty-three million, eight hundred five thousand, three hundred eleven".