54821203 has 4 divisors (see below), whose sum is σ = 54911248. Its totient is φ = 54731160.

The previous prime is 54821191. The next prime is 54821227. The reversal of 54821203 is 30212845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54821203 - 2⁵ = 54821171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54821233) 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, 44103 + ... + 45328.

It is an arithmetic number, because the mean of its divisors is an integer number (13727812).

Almost surely, 2^54821203 is an apocalyptic number.

54821203 is a deficient number, since it is larger than the sum of its proper divisors (90045).

54821203 is an equidigital number, since it uses as much as digits as its factorization.

54821203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90044.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 54821203 is about 7404.1341830088. The cubic root of 54821203 is about 379.8827038713.

The spelling of 54821203 in words is "fifty-four million, eight hundred twenty-one thousand, two hundred three".