54000020 has 24 divisors (see below), whose sum is σ = 116466504. Its totient is φ = 21015936.

The previous prime is 53999989. The next prime is 54000031. The reversal of 54000020 is 2000045.

It can be written as a sum of positive squares in 4 ways, for example, as 11957764 + 42042256 = 3458^2 + 6484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53999965 and 54000010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35747 + ... + 37226.

It is an arithmetic number, because the mean of its divisors is an integer number (4852771).

Almost surely, 2^54000020 is an apocalyptic number.

It is an amenable number.

54000020 is an abundant number, since it is smaller than the sum of its proper divisors (62466484).

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

54000020 is a wasteful number, since it uses less digits than its factorization.

54000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73019 (or 73017 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 54000020 is about 7348.4705891770. The cubic root of 54000020 is about 377.9763616322.

Adding to 54000020 its reverse (2000045), we get a palindrome (56000065).

The spelling of 54000020 in words is "fifty-four million, twenty", and thus it is an aban number.