54561266 has 16 divisors (see below), whose sum is σ = 83984256. Its totient is φ = 26572176.

The previous prime is 54561257. The next prime is 54561277. The reversal of 54561266 is 66216545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20060 + ... + 22616.

It is an arithmetic number, because the mean of its divisors is an integer number (5249016).

Almost surely, 2^54561266 is an apocalyptic number.

54561266 is a deficient number, since it is larger than the sum of its proper divisors (29422990).

54561266 is a wasteful number, since it uses less digits than its factorization.

54561266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833.

The product of its digits is 43200, while the sum is 35.

The square root of 54561266 is about 7386.5598217303. The cubic root of 54561266 is about 379.2813425601.

The spelling of 54561266 in words is "fifty-four million, five hundred sixty-one thousand, two hundred sixty-six".