54555266 has 4 divisors (see below), whose sum is σ = 81832902. Its totient is φ = 27277632.

The previous prime is 54555247. The next prime is 54555269. The reversal of 54555266 is 66255545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54449641 + 105625 = 7379^2 + 325^2 .

It is not an unprimeable number, because it can be changed into a prime (54555269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13638815 + ... + 13638818.

Almost surely, 2^54555266 is an apocalyptic number.

54555266 is a deficient number, since it is larger than the sum of its proper divisors (27277636).

54555266 is a wasteful number, since it uses less digits than its factorization.

54555266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27277635.

The product of its digits is 180000, while the sum is 38.

The square root of 54555266 is about 7386.1536675052. The cubic root of 54555266 is about 379.2674390981.

The spelling of 54555266 in words is "fifty-four million, five hundred fifty-five thousand, two hundred sixty-six".