55221676 has 12 divisors (see below), whose sum is σ = 101724280. Its totient is φ = 26157600.

The previous prime is 55221671. The next prime is 55221697. The reversal of 55221676 is 67612255.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55221671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363225 + ... + 363376.

Almost surely, 2^55221676 is an apocalyptic number.

It is an amenable number.

55221676 is a deficient number, since it is larger than the sum of its proper divisors (46502604).

55221676 is a wasteful number, since it uses less digits than its factorization.

55221676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726624 (or 726622 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 55221676 is about 7431.1288509889. The cubic root of 55221676 is about 380.8054843942.

The spelling of 55221676 in words is "fifty-five million, two hundred twenty-one thousand, six hundred seventy-six".