55647226 has 4 divisors (see below), whose sum is σ = 83470842. Its totient is φ = 27823612.

The previous prime is 55647211. The next prime is 55647233. The reversal of 55647226 is 62274655.

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., 45091225 + 10556001 = 6715^2 + 3249^2 .

It is a super-2 number, since 2×55647226² = 6193227522990152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13911805 + ... + 13911808.

Almost surely, 2^55647226 is an apocalyptic number.

55647226 is a deficient number, since it is larger than the sum of its proper divisors (27823616).

55647226 is a wasteful number, since it uses less digits than its factorization.

55647226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27823615.

The product of its digits is 100800, while the sum is 37.

The square root of 55647226 is about 7459.7068307005. The cubic root of 55647226 is about 381.7811717820.

The spelling of 55647226 in words is "fifty-five million, six hundred forty-seven thousand, two hundred twenty-six".