54507805 has 16 divisors (see below), whose sum is σ = 71539200. Its totient is φ = 39540160.

The previous prime is 54507767. The next prime is 54507811. The reversal of 54507805 is 50870545.

It is not a de Polignac number, because 54507805 - 2⁹ = 54507293 is a prime.

It is a super-2 number, since 2×54507805² = 5942201611836050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25311 + ... + 27379.

It is an arithmetic number, because the mean of its divisors is an integer number (4471200).

Almost surely, 2^54507805 is an apocalyptic number.

54507805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54507805 is a deficient number, since it is larger than the sum of its proper divisors (17031395).

54507805 is a wasteful number, since it uses less digits than its factorization.

54507805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 54507805 is about 7382.9401324946. The cubic root of 54507805 is about 379.1574244550.

The spelling of 54507805 in words is "fifty-four million, five hundred seven thousand, eight hundred five".