54120254 has 4 divisors (see below), whose sum is σ = 81180384. Its totient is φ = 27060126.

The previous prime is 54120251. The next prime is 54120259. The reversal of 54120254 is 45202145.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45202145 = 5 ⋅9040429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54120251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13530062 + ... + 13530065.

It is an arithmetic number, because the mean of its divisors is an integer number (20295096).

Almost surely, 2^54120254 is an apocalyptic number.

54120254 is a deficient number, since it is larger than the sum of its proper divisors (27060130).

54120254 is a wasteful number, since it uses less digits than its factorization.

54120254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27060129.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 54120254 is about 7356.6469264197. The cubic root of 54120254 is about 378.2566820375.

Adding to 54120254 its reverse (45202145), we get a palindrome (99322399).

The spelling of 54120254 in words is "fifty-four million, one hundred twenty thousand, two hundred fifty-four".