55221046 has 8 divisors (see below), whose sum is σ = 85687920. Its totient is φ = 26658408.

The previous prime is 55221041. The next prime is 55221059. The reversal of 55221046 is 64012255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55221046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55221041) 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, 475986 + ... + 476101.

It is an arithmetic number, because the mean of its divisors is an integer number (10710990).

Almost surely, 2^55221046 is an apocalyptic number.

55221046 is a deficient number, since it is larger than the sum of its proper divisors (30466874).

55221046 is a wasteful number, since it uses less digits than its factorization.

55221046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952118.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 55221046 is about 7431.0864616152. The cubic root of 55221046 is about 380.8040362408.

The spelling of 55221046 in words is "fifty-five million, two hundred twenty-one thousand, forty-six".