54120061 has 16 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 48787200.

The previous prime is 54120047. The next prime is 54120139. The reversal of 54120061 is 16002145.

It is a cyclic number.

It is not a de Polignac number, because 54120061 - 2⁵ = 54120029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54120361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74080 + ... + 74806.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^54120061 is an apocalyptic number.

It is an amenable number.

54120061 is a deficient number, since it is larger than the sum of its proper divisors (5634179).

54120061 is a wasteful number, since it uses less digits than its factorization.

54120061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 54120061 is about 7356.6338090189. The cubic root of 54120061 is about 378.2562323991.

It can be divided in two parts, 541 and 20061, that added together give a palindrome (20602).

The spelling of 54120061 in words is "fifty-four million, one hundred twenty thousand, sixty-one".