52091090 has 16 divisors (see below), whose sum is σ = 97841088. Its totient is φ = 19930416.

The previous prime is 52091089. The next prime is 52091119. The reversal of 52091090 is 9019025.

It is a happy number.

52091090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113012 + ... + 113471.

It is an arithmetic number, because the mean of its divisors is an integer number (6115068).

Almost surely, 2^52091090 is an apocalyptic number.

52091090 is a deficient number, since it is larger than the sum of its proper divisors (45749998).

52091090 is a wasteful number, since it uses less digits than its factorization.

52091090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226513.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 52091090 is about 7217.4157424940. The cubic root of 52091090 is about 373.4689336997.

The spelling of 52091090 in words is "fifty-two million, ninety-one thousand, ninety".