54021824 has 28 divisors (see below), whose sum is σ = 107490768. Its totient is φ = 26937600.

The previous prime is 54021823. The next prime is 54021829. The reversal of 54021824 is 42812045.

It is a happy number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 54021793 and 54021802.

It is not an unprimeable number, because it can be changed into a prime (54021823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28589 + ... + 30419.

It is an arithmetic number, because the mean of its divisors is an integer number (3838956).

Almost surely, 2^54021824 is an apocalyptic number.

It is an amenable number.

54021824 is a deficient number, since it is larger than the sum of its proper divisors (53468944).

54021824 is a wasteful number, since it uses less digits than its factorization.

54021824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 54021824 is about 7349.9540134616. The cubic root of 54021824 is about 378.0272275862.

Adding to 54021824 its reverse (42812045), we get a palindrome (96833869).

It can be divided in two parts, 54021 and 824, that added together give a palindrome (54845).

The spelling of 54021824 in words is "fifty-four million, twenty-one thousand, eight hundred twenty-four".