54117061 has 2 divisors, whose sum is σ = 54117062. Its totient is φ = 54117060.

The previous prime is 54117059. The next prime is 54117071. The reversal of 54117061 is 16071145.

It is a happy number.

54117061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51394561 + 2722500 = 7169^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 54117061 - 2¹ = 54117059 is a prime.

Together with 54117059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54117071) 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 as a sum of consecutive naturals, namely, 27058530 + 27058531.

It is an arithmetic number, because the mean of its divisors is an integer number (27058531).

Almost surely, 2^54117061 is an apocalyptic number.

It is an amenable number.

54117061 is a deficient number, since it is larger than the sum of its proper divisors (1).

54117061 is an equidigital number, since it uses as much as digits as its factorization.

54117061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 54117061 is about 7356.4299085902. The cubic root of 54117061 is about 378.2492430644.

The spelling of 54117061 in words is "fifty-four million, one hundred seventeen thousand, sixty-one".