54555261 has 16 divisors (see below), whose sum is σ = 78813504. Its totient is φ = 33433344.

The previous prime is 54555247. The next prime is 54555269. The reversal of 54555261 is 16255545.

54555261 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 54555261 - 2⁵ = 54555229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54555269) 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, 10246 + ... + 14631.

It is an arithmetic number, because the mean of its divisors is an integer number (4925844).

Almost surely, 2^54555261 is an apocalyptic number.

54555261 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54555261 is a deficient number, since it is larger than the sum of its proper divisors (24258243).

54555261 is a wasteful number, since it uses less digits than its factorization.

54555261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24940.

The product of its digits is 30000, while the sum is 33.

The square root of 54555261 is about 7386.1533290340. The cubic root of 54555261 is about 379.2674275114.

The spelling of 54555261 in words is "fifty-four million, five hundred fifty-five thousand, two hundred sixty-one".