54021020 has 24 divisors (see below), whose sum is σ = 118377504. Its totient is φ = 20668736.

The previous prime is 54021017. The next prime is 54021041. The reversal of 54021020 is 2012045.

54021020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 54020986 and 54021004.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58259 + ... + 59178.

It is an arithmetic number, because the mean of its divisors is an integer number (4932396).

Almost surely, 2^54021020 is an apocalyptic number.

It is an amenable number.

54021020 is an abundant number, since it is smaller than the sum of its proper divisors (64356484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54021020 is a wasteful number, since it uses less digits than its factorization.

54021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117469 (or 117467 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 54021020 is about 7349.8993190383. The cubic root of 54021020 is about 378.0253521997.

Adding to 54021020 its reverse (2012045), we get a palindrome (56033065).

The spelling of 54021020 in words is "fifty-four million, twenty-one thousand, twenty".