54020805 has 16 divisors (see below), whose sum is σ = 86546880. Its totient is φ = 28773248.

The previous prime is 54020801. The next prime is 54020809. The reversal of 54020805 is 50802045.

It is an interprime number because it is at equal distance from previous prime (54020801) and next prime (54020809).

It is a cyclic number.

It is not a de Polignac number, because 54020805 - 2² = 54020801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54020801) 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, 12406 + ... + 16184.

It is an arithmetic number, because the mean of its divisors is an integer number (5409180).

Almost surely, 2^54020805 is an apocalyptic number.

It is an amenable number.

54020805 is a deficient number, since it is larger than the sum of its proper divisors (32526075).

54020805 is a wasteful number, since it uses less digits than its factorization.

54020805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 54020805 is about 7349.8846929731. The cubic root of 54020805 is about 378.0248506940.

The spelling of 54020805 in words is "fifty-four million, twenty thousand, eight hundred five".