54872805 has 32 divisors (see below), whose sum is σ = 94913280. Its totient is φ = 26910720.

The previous prime is 54872771. The next prime is 54872819. The reversal of 54872805 is 50827845.

54872805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54872805 - 2¹¹ = 54870757 is a prime.

It is a super-2 number, since 2×54872805² = 6022049457136050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85285 + ... + 85925.

It is an arithmetic number, because the mean of its divisors is an integer number (2966040).

Almost surely, 2^54872805 is an apocalyptic number.

It is an amenable number.

54872805 is a deficient number, since it is larger than the sum of its proper divisors (40040475).

54872805 is a wasteful number, since it uses less digits than its factorization.

54872805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 54872805 is about 7407.6180382090. The cubic root of 54872805 is about 380.0018582550.

The spelling of 54872805 in words is "fifty-four million, eight hundred seventy-two thousand, eight hundred five".