52394493 has 16 divisors (see below), whose sum is σ = 74281536. Its totient is φ = 32736000.

The previous prime is 52394473. The next prime is 52394539. The reversal of 52394493 is 39449325.

It is not a de Polignac number, because 52394493 - 2⁶ = 52394429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52394473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10755 + ... + 14847.

It is an arithmetic number, because the mean of its divisors is an integer number (4642596).

Almost surely, 2^52394493 is an apocalyptic number.

It is an amenable number.

52394493 is a deficient number, since it is larger than the sum of its proper divisors (21887043).

52394493 is a wasteful number, since it uses less digits than its factorization.

52394493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364.

The product of its digits is 116640, while the sum is 39.

The square root of 52394493 is about 7238.4040368026. The cubic root of 52394493 is about 374.1926167113.

The spelling of 52394493 in words is "fifty-two million, three hundred ninety-four thousand, four hundred ninety-three".