54021830 has 8 divisors (see below), whose sum is σ = 97239312. Its totient is φ = 21608728.

The previous prime is 54021829. The next prime is 54021833. The reversal of 54021830 is 3812045.

54021830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 54021796 and 54021805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2701082 + ... + 2701101.

It is an arithmetic number, because the mean of its divisors is an integer number (12154914).

Almost surely, 2^54021830 is an apocalyptic number.

54021830 is a deficient number, since it is larger than the sum of its proper divisors (43217482).

54021830 is a wasteful number, since it uses less digits than its factorization.

54021830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5402190.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 54021830 is about 7349.9544216274. The cubic root of 54021830 is about 378.0272415816.

Adding to 54021830 its reverse (3812045), we get a palindrome (57833875).

The spelling of 54021830 in words is "fifty-four million, twenty-one thousand, eight hundred thirty".