52693921 has 8 divisors (see below), whose sum is σ = 60292800. Its totient is φ = 45112848.

The previous prime is 52693919. The next prime is 52693937. The reversal of 52693921 is 12939625.

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

It is a cyclic number.

It is not a de Polignac number, because 52693921 - 2¹ = 52693919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52693981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2655 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (7536600).

Almost surely, 2^52693921 is an apocalyptic number.

It is an amenable number.

52693921 is a deficient number, since it is larger than the sum of its proper divisors (7598879).

52693921 is an equidigital number, since it uses as much as digits as its factorization.

52693921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903.

The product of its digits is 29160, while the sum is 37.

The square root of 52693921 is about 7259.0578589787. The cubic root of 52693921 is about 374.9040845064.

The spelling of 52693921 in words is "fifty-two million, six hundred ninety-three thousand, nine hundred twenty-one".