54120203 has 4 divisors (see below), whose sum is σ = 55866048. Its totient is φ = 52374360.

The previous prime is 54120193. The next prime is 54120211. The reversal of 54120203 is 30202145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30202145 = 5 ⋅6040429.

It is a cyclic number.

It is not a de Polignac number, because 54120203 - 2⁶ = 54120139 is a prime.

It is a super-2 number, since 2×54120203² = 5857992745522418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54120223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872876 + ... + 872937.

It is an arithmetic number, because the mean of its divisors is an integer number (13966512).

Almost surely, 2^54120203 is an apocalyptic number.

54120203 is a deficient number, since it is larger than the sum of its proper divisors (1745845).

54120203 is a wasteful number, since it uses less digits than its factorization.

54120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745844.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 54120203 is about 7356.6434601658. The cubic root of 54120203 is about 378.2565632213.

Adding to 54120203 its reverse (30202145), we get a palindrome (84322348).

The spelling of 54120203 in words is "fifty-four million, one hundred twenty thousand, two hundred three".