54503021 has 8 divisors (see below), whose sum is σ = 55059840. Its totient is φ = 53949168.

The previous prime is 54502979. The next prime is 54503047. The reversal of 54503021 is 12030545.

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

It is a cyclic number.

It is not a de Polignac number, because 54503021 - 2¹⁴ = 54486637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54502984 and 54503002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54503051) 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 in 7 ways as a sum of consecutive naturals, for example, 55880 + ... + 56846.

It is an arithmetic number, because the mean of its divisors is an integer number (6882480).

Almost surely, 2^54503021 is an apocalyptic number.

It is an amenable number.

54503021 is a deficient number, since it is larger than the sum of its proper divisors (556819).

54503021 is a wasteful number, since it uses less digits than its factorization.

54503021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 54503021 is about 7382.6161352193. The cubic root of 54503021 is about 379.1463315960.

Adding to 54503021 its reverse (12030545), we get a palindrome (66533566).

The spelling of 54503021 in words is "fifty-four million, five hundred three thousand, twenty-one".