52121886 has 8 divisors (see below), whose sum is σ = 104243784. Its totient is φ = 17373960.

The previous prime is 52121879. The next prime is 52121899. The reversal of 52121886 is 68812125.

52121886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

52121886 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4343485 + ... + 4343496.

It is an arithmetic number, because the mean of its divisors is an integer number (13030473).

Almost surely, 2^52121886 is an apocalyptic number.

52121886 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.

52121886 is a wasteful number, since it uses less digits than its factorization.

52121886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686986.

The product of its digits is 7680, while the sum is 33.

The square root of 52121886 is about 7219.5488778732. The cubic root of 52121886 is about 373.5425168756.

The spelling of 52121886 in words is "fifty-two million, one hundred twenty-one thousand, eight hundred eighty-six".