52121064 has 16 divisors (see below), whose sum is σ = 130302720. Its totient is φ = 17373680.

The previous prime is 52121053. The next prime is 52121081. The reversal of 52121064 is 46012125.

It is a self number, because there is not a number n which added to its sum of digits gives 52121064.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085832 + ... + 1085879.

It is an arithmetic number, because the mean of its divisors is an integer number (8143920).

Almost surely, 2^52121064 is an apocalyptic number.

It is an amenable number.

52121064 is an abundant number, since it is smaller than the sum of its proper divisors (78181656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52121064 is a wasteful number, since it uses less digits than its factorization.

52121064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171720 (or 2171716 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 52121064 is about 7219.4919488839. The cubic root of 52121064 is about 373.5405531863.

Adding to 52121064 its reverse (46012125), we get a palindrome (98133189).

The spelling of 52121064 in words is "fifty-two million, one hundred twenty-one thousand, sixty-four".