54303021 has 16 divisors (see below), whose sum is σ = 81553920. Its totient is φ = 35704800.

The previous prime is 54302971. The next prime is 54303043. The reversal of 54303021 is 12030345.

It is not a de Polignac number, because 54303021 - 2⁶ = 54302957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54302985 and 54303003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54303061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11805 + ... + 15746.

It is an arithmetic number, because the mean of its divisors is an integer number (5097120).

Almost surely, 2^54303021 is an apocalyptic number.

It is an amenable number.

54303021 is a deficient number, since it is larger than the sum of its proper divisors (27250899).

54303021 is a wasteful number, since it uses less digits than its factorization.

54303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27633 (or 27627 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 54303021 is about 7369.0583523270. The cubic root of 54303021 is about 378.6820013207.

Adding to 54303021 its reverse (12030345), we get a palindrome (66333366).

The spelling of 54303021 in words is "fifty-four million, three hundred three thousand, twenty-one".