55566194 has 8 divisors (see below), whose sum is σ = 83396460. Its totient is φ = 27767376.

The previous prime is 55566179. The next prime is 55566197. The reversal of 55566194 is 49166555.

It can be written as a sum of positive squares in 2 ways, for example, as 31192225 + 24373969 = 5585^2 + 4937^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55566197) 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, 2789 + ... + 10904.

Almost surely, 2^55566194 is an apocalyptic number.

55566194 is a deficient number, since it is larger than the sum of its proper divisors (27830266).

55566194 is a wasteful number, since it uses less digits than its factorization.

55566194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15724.

The product of its digits is 162000, while the sum is 41.

The square root of 55566194 is about 7454.2735393867. The cubic root of 55566194 is about 381.5957685877.

The spelling of 55566194 in words is "fifty-five million, five hundred sixty-six thousand, one hundred ninety-four".