54947853 has 6 divisors (see below), whose sum is σ = 79369134. Its totient is φ = 36631896.

The previous prime is 54947833. The next prime is 54947857. The reversal of 54947853 is 35874945.

It can be written as a sum of positive squares in only one way, i.e., 49871844 + 5076009 = 7062^2 + 2253^2 .

It is not a de Polignac number, because 54947853 - 2⁹ = 54947341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54947799 and 54947808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54947857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3052650 + ... + 3052667.

It is an arithmetic number, because the mean of its divisors is an integer number (13228189).

Almost surely, 2^54947853 is an apocalyptic number.

It is an amenable number.

54947853 is a deficient number, since it is larger than the sum of its proper divisors (24421281).

54947853 is a wasteful number, since it uses less digits than its factorization.

54947853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105323 (or 6105320 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 54947853 is about 7412.6819033330. The cubic root of 54947853 is about 380.1750186397.

The spelling of 54947853 in words is "fifty-four million, nine hundred forty-seven thousand, eight hundred fifty-three".