52195812 has 24 divisors (see below), whose sum is σ = 128200800. Its totient is φ = 16482816.

The previous prime is 52195811. The next prime is 52195837. The reversal of 52195812 is 21859125.

52195812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52195811) by changing a digit.

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, 114237 + ... + 114692.

It is an arithmetic number, because the mean of its divisors is an integer number (5341700).

Almost surely, 2^52195812 is an apocalyptic number.

It is an amenable number.

52195812 is an abundant number, since it is smaller than the sum of its proper divisors (76004988).

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

52195812 is a wasteful number, since it uses less digits than its factorization.

52195812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228955 (or 228953 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

The square root of 52195812 is about 7224.6669127372. Note that the first 3 decimals coincide. The cubic root of 52195812 is about 373.7190355514.

The spelling of 52195812 in words is "fifty-two million, one hundred ninety-five thousand, eight hundred twelve".