54840147 has 16 divisors (see below), whose sum is σ = 79921152. Its totient is φ = 33298560.

The previous prime is 54840133. The next prime is 54840173. The reversal of 54840147 is 74104845.

54840147 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 54840147 - 2⁸ = 54839891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54840197) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15763 + ... + 18924.

It is an arithmetic number, because the mean of its divisors is an integer number (4995072).

Almost surely, 2^54840147 is an apocalyptic number.

54840147 is a deficient number, since it is larger than the sum of its proper divisors (25081005).

54840147 is a wasteful number, since it uses less digits than its factorization.

54840147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34738.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 54840147 is about 7405.4133578079. The cubic root of 54840147 is about 379.9264562200.

The spelling of 54840147 in words is "fifty-four million, eight hundred forty thousand, one hundred forty-seven".