55274066 has 8 divisors (see below), whose sum is σ = 83158140. Its totient is φ = 27554688.

The previous prime is 55274057. The next prime is 55274069. The reversal of 55274066 is 66047255.

55274066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53597041 + 1677025 = 7321^2 + 1295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55274069) 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 3 ways as a sum of consecutive naturals, for example, 40331 + ... + 41678.

Almost surely, 2^55274066 is an apocalyptic number.

55274066 is a deficient number, since it is larger than the sum of its proper divisors (27884074).

55274066 is a wasteful number, since it uses less digits than its factorization.

55274066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82348.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 55274066 is about 7434.6530517570. The cubic root of 55274066 is about 380.9258724675.

The spelling of 55274066 in words is "fifty-five million, two hundred seventy-four thousand, sixty-six".