53394433 has 8 divisors (see below), whose sum is σ = 57850848. Its totient is φ = 49084224.

The previous prime is 53394379. The next prime is 53394437. The reversal of 53394433 is 33449335.

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 53394433 - 2¹³ = 53386241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53394437) 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, 35791 + ... + 37252.

It is an arithmetic number, because the mean of its divisors is an integer number (7231356).

Almost surely, 2^53394433 is an apocalyptic number.

It is an amenable number.

53394433 is a deficient number, since it is larger than the sum of its proper divisors (4456415).

53394433 is a wasteful number, since it uses less digits than its factorization.

53394433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73103.

The product of its digits is 58320, while the sum is 34.

The square root of 53394433 is about 7307.1494442087. The cubic root of 53394433 is about 376.5580991652.

The spelling of 53394433 in words is "fifty-three million, three hundred ninety-four thousand, four hundred thirty-three".