52211138 has 16 divisors (see below), whose sum is σ = 90512640. Its totient is φ = 22124256.

The previous prime is 52211113. The next prime is 52211141. The reversal of 52211138 is 83111225.

It is a happy number.

52211138 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, 19706 + ... + 22197.

It is an arithmetic number, because the mean of its divisors is an integer number (5657040).

Almost surely, 2^52211138 is an apocalyptic number.

52211138 is a deficient number, since it is larger than the sum of its proper divisors (38301502).

52211138 is a wasteful number, since it uses less digits than its factorization.

52211138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42001.

The product of its digits is 480, while the sum is 23.

The square root of 52211138 is about 7225.7275066252. The cubic root of 52211138 is about 373.7556097337.

The spelling of 52211138 in words is "fifty-two million, two hundred eleven thousand, one hundred thirty-eight".