52521226 has 8 divisors (see below), whose sum is σ = 79009920. Its totient is φ = 26184588.

The previous prime is 52521221. The next prime is 52521257. The reversal of 52521226 is 62212525.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52521226.

It is not an unprimeable number, because it can be changed into a prime (52521221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37146 + ... + 38533.

It is an arithmetic number, because the mean of its divisors is an integer number (9876240).

Almost surely, 2^52521226 is an apocalyptic number.

52521226 is a deficient number, since it is larger than the sum of its proper divisors (26488694).

52521226 is a wasteful number, since it uses less digits than its factorization.

52521226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76028.

The product of its digits is 2400, while the sum is 25.

The square root of 52521226 is about 7247.1529582313. The cubic root of 52521226 is about 374.4940756744.

The spelling of 52521226 in words is "fifty-two million, five hundred twenty-one thousand, two hundred twenty-six".