52191214 has 12 divisors (see below), whose sum is σ = 82625184. Its totient is φ = 24721812.

The previous prime is 52191199. The next prime is 52191221. The reversal of 52191214 is 41219125.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35422 + ... + 36865.

It is an arithmetic number, because the mean of its divisors is an integer number (6885432).

Almost surely, 2^52191214 is an apocalyptic number.

52191214 is a deficient number, since it is larger than the sum of its proper divisors (30433970).

52191214 is a wasteful number, since it uses less digits than its factorization.

52191214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72327 (or 72308 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 52191214 is about 7224.3486903665. The cubic root of 52191214 is about 373.7080614233.

It can be divided in two parts, 5219121 and 4, that added together give a palindrome (5219125).

The spelling of 52191214 in words is "fifty-two million, one hundred ninety-one thousand, two hundred fourteen".