54066393 has 8 divisors (see below), whose sum is σ = 80098400. Its totient is φ = 36044244.

The previous prime is 54066391. The next prime is 54066401. The reversal of 54066393 is 39366045.

It is not a de Polignac number, because 54066393 - 2¹ = 54066391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54066391) 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, 1001203 + ... + 1001256.

It is an arithmetic number, because the mean of its divisors is an integer number (10012300).

Almost surely, 2^54066393 is an apocalyptic number.

It is an amenable number.

54066393 is a deficient number, since it is larger than the sum of its proper divisors (26032007).

54066393 is a wasteful number, since it uses less digits than its factorization.

54066393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002468 (or 2002462 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 54066393 is about 7352.9853121028. The cubic root of 54066393 is about 378.1311588187.

The spelling of 54066393 in words is "fifty-four million, sixty-six thousand, three hundred ninety-three".