54420243 has 16 divisors (see below), whose sum is σ = 75600000. Its totient is φ = 34790720.

The previous prime is 54420239. The next prime is 54420257. The reversal of 54420243 is 34202445.

It is a cyclic number.

It is not a de Polignac number, because 54420243 - 2² = 54420239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54420943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3508 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (4725000).

Almost surely, 2^54420243 is an apocalyptic number.

54420243 is a deficient number, since it is larger than the sum of its proper divisors (21179757).

54420243 is a wasteful number, since it uses less digits than its factorization.

54420243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 54420243 is about 7377.0077267141. The cubic root of 54420243 is about 378.9542879452.

Adding to 54420243 its reverse (34202445), we get a palindrome (88622688).

The spelling of 54420243 in words is "fifty-four million, four hundred twenty thousand, two hundred forty-three".