54320020 has 48 divisors (see below), whose sum is σ = 119750400. Its totient is φ = 20658176.

The previous prime is 54320009. The next prime is 54320023. The reversal of 54320020 is 2002345.

It is a junction number, because it is equal to n+sod(n) for n = 54319976 and 54320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54320023) 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, 120756 + ... + 121204.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^54320020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59875200).

54320020 is an abundant number, since it is smaller than the sum of its proper divisors (65430380).

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

54320020 is a wasteful number, since it uses less digits than its factorization.

54320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 54320020 is about 7370.2116658886. The cubic root of 54320020 is about 378.7215113617.

Adding to 54320020 its reverse (2002345), we get a palindrome (56322365).

The spelling of 54320020 in words is "fifty-four million, three hundred twenty thousand, twenty".