55206274 has 4 divisors (see below), whose sum is σ = 82809414. Its totient is φ = 27603136.

The previous prime is 55206209. The next prime is 55206301. The reversal of 55206274 is 47260255.

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., 44689225 + 10517049 = 6685^2 + 3243^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13801567 + ... + 13801570.

Almost surely, 2^55206274 is an apocalyptic number.

55206274 is a deficient number, since it is larger than the sum of its proper divisors (27603140).

55206274 is a wasteful number, since it uses less digits than its factorization.

55206274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27603139.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 55206274 is about 7430.0924624126. The cubic root of 55206274 is about 380.7700773351.

The spelling of 55206274 in words is "fifty-five million, two hundred six thousand, two hundred seventy-four".