54120242 has 16 divisors (see below), whose sum is σ = 92411712. Its totient is φ = 23530320.

The previous prime is 54120223. The next prime is 54120251. The reversal of 54120242 is 24202145.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52973 + ... + 53984.

It is an arithmetic number, because the mean of its divisors is an integer number (5775732).

Almost surely, 2^54120242 is an apocalyptic number.

54120242 is a deficient number, since it is larger than the sum of its proper divisors (38291470).

54120242 is a wasteful number, since it uses less digits than its factorization.

54120242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106993.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 54120242 is about 7356.6461108307. The cubic root of 54120242 is about 378.2566540807.

Adding to 54120242 its reverse (24202145), we get a palindrome (78322387).

The spelling of 54120242 in words is "fifty-four million, one hundred twenty thousand, two hundred forty-two".