538555311 has 64 divisors (see below), whose sum is σ = 933724160. Its totient is φ = 304220448.

The previous prime is 538555307. The next prime is 538555333. The reversal of 538555311 is 113555835.

538555311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 538555311 - 2² = 538555307 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538555351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1944105 + ... + 1944381.

It is an arithmetic number, because the mean of its divisors is an integer number (14589440).

Almost surely, 2^538555311 is an apocalyptic number.

538555311 is a deficient number, since it is larger than the sum of its proper divisors (395168849).

538555311 is an equidigital number, since it uses as much as digits as its factorization.

538555311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 414 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 538555311 is about 23206.7945007491. The cubic root of 538555311 is about 813.5984346826.

The spelling of 538555311 in words is "five hundred thirty-eight million, five hundred fifty-five thousand, three hundred eleven".