52346921 has 4 divisors (see below), whose sum is σ = 57105744. Its totient is φ = 47588100.

The previous prime is 52346909. The next prime is 52346929. The reversal of 52346921 is 12964325.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52346921 - 2⁶ = 52346857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52346929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2379395 + ... + 2379416.

It is an arithmetic number, because the mean of its divisors is an integer number (14276436).

Almost surely, 2^52346921 is an apocalyptic number.

It is an amenable number.

52346921 is a deficient number, since it is larger than the sum of its proper divisors (4758823).

52346921 is a wasteful number, since it uses less digits than its factorization.

52346921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758822.

The product of its digits is 12960, while the sum is 32.

The square root of 52346921 is about 7235.1172070672. The cubic root of 52346921 is about 374.0793320229.

The spelling of 52346921 in words is "fifty-two million, three hundred forty-six thousand, nine hundred twenty-one".