55568146 has 4 divisors (see below), whose sum is σ = 83352222. Its totient is φ = 27784072.

The previous prime is 55568143. The next prime is 55568153. The reversal of 55568146 is 64186555.

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., 38254225 + 17313921 = 6185^2 + 4161^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 55568099 and 55568108.

It is not an unprimeable number, because it can be changed into a prime (55568143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13892035 + ... + 13892038.

Almost surely, 2^55568146 is an apocalyptic number.

55568146 is a deficient number, since it is larger than the sum of its proper divisors (27784076).

55568146 is a wasteful number, since it uses less digits than its factorization.

55568146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27784075.

The product of its digits is 144000, while the sum is 40.

The square root of 55568146 is about 7454.4044698420. The cubic root of 55568146 is about 381.6002369294.

The spelling of 55568146 in words is "fifty-five million, five hundred sixty-eight thousand, one hundred forty-six".