54781005 has 8 divisors (see below), whose sum is σ = 87649632. Its totient is φ = 29216528.

The previous prime is 54780983. The next prime is 54781033. The reversal of 54781005 is 50018745.

54781005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54781005 - 2⁹ = 54780493 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1826019 + ... + 1826048.

It is an arithmetic number, because the mean of its divisors is an integer number (10956204).

Almost surely, 2^54781005 is an apocalyptic number.

It is an amenable number.

54781005 is a deficient number, since it is larger than the sum of its proper divisors (32868627).

54781005 is a wasteful number, since it uses less digits than its factorization.

54781005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652075.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 54781005 is about 7401.4191206822. The cubic root of 54781005 is about 379.7898306883.

The spelling of 54781005 in words is "fifty-four million, seven hundred eighty-one thousand, five".