52321012 has 12 divisors (see below), whose sum is σ = 92042496. Its totient is φ = 26023160.

The previous prime is 52321001. The next prime is 52321057. The reversal of 52321012 is 21012325.

It is an alternating number because its digits alternate between odd and even.

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, 33478 + ... + 35005.

It is an arithmetic number, because the mean of its divisors is an integer number (7670208).

Almost surely, 2^52321012 is an apocalyptic number.

It is an amenable number.

52321012 is a deficient number, since it is larger than the sum of its proper divisors (39721484).

52321012 is a wasteful number, since it uses less digits than its factorization.

52321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68678 (or 68676 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 52321012 is about 7233.3264823316. The cubic root of 52321012 is about 374.0176052414.

Adding to 52321012 its reverse (21012325), we get a palindrome (73333337).

The spelling of 52321012 in words is "fifty-two million, three hundred twenty-one thousand, twelve".