52190012 has 12 divisors (see below), whose sum is σ = 104380080. Its totient is φ = 22367136.

The previous prime is 52189987. The next prime is 52190023. The reversal of 52190012 is 21009125.

52190012 is an admirable number.

It is a congruent number.

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, 931937 + ... + 931992.

It is an arithmetic number, because the mean of its divisors is an integer number (8698340).

Almost surely, 2^52190012 is an apocalyptic number.

It is an amenable number.

52190012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52190012 is a wasteful number, since it uses less digits than its factorization.

52190012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863940 (or 1863938 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 52190012 is about 7224.2654989971. The cubic root of 52190012 is about 373.7051924823.

Adding to 52190012 its reverse (21009125), we get a palindrome (73199137).

The spelling of 52190012 in words is "fifty-two million, one hundred ninety thousand, twelve".