55452226 has 4 divisors (see below), whose sum is σ = 83178342. Its totient is φ = 27726112.

The previous prime is 55452223. The next prime is 55452239. The reversal of 55452226 is 62225455.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62225455 = 5 ⋅12445091.

It can be written as a sum of positive squares in only one way, i.e., 44555625 + 10896601 = 6675^2 + 3301^2 .

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 (55452223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13863055 + ... + 13863058.

Almost surely, 2^55452226 is an apocalyptic number.

55452226 is a deficient number, since it is larger than the sum of its proper divisors (27726116).

55452226 is a wasteful number, since it uses less digits than its factorization.

55452226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27726115.

The product of its digits is 24000, while the sum is 31.

The square root of 55452226 is about 7446.6251416330. The cubic root of 55452226 is about 381.3347017395.

The spelling of 55452226 in words is "fifty-five million, four hundred fifty-two thousand, two hundred twenty-six".