55422274 has 4 divisors (see below), whose sum is σ = 83133414. Its totient is φ = 27711136.

The previous prime is 55422271. The next prime is 55422293. The reversal of 55422274 is 47222455.

55422274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 55398249 + 24025 = 7443^2 + 155^2 .

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 not an unprimeable number, because it can be changed into a prime (55422271) 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 as a sum of consecutive naturals, namely, 13855567 + ... + 13855570.

Almost surely, 2^55422274 is an apocalyptic number.

55422274 is a deficient number, since it is larger than the sum of its proper divisors (27711140).

55422274 is a wasteful number, since it uses less digits than its factorization.

55422274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27711139.

The product of its digits is 22400, while the sum is 31.

The square root of 55422274 is about 7444.6137576103. The cubic root of 55422274 is about 381.2660312528.

It can be divided in two parts, 55422 and 274, that added together give a square (55696 = 236²).

The spelling of 55422274 in words is "fifty-five million, four hundred twenty-two thousand, two hundred seventy-four".