55630194 has 32 divisors (see below), whose sum is σ = 115153920. Its totient is φ = 17904000.

The previous prime is 55630181. The next prime is 55630199. The reversal of 55630194 is 49103655.

It is a happy number.

55630194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55630199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23727 + ... + 25965.

It is an arithmetic number, because the mean of its divisors is an integer number (3598560).

Almost surely, 2^55630194 is an apocalyptic number.

55630194 is an abundant number, since it is smaller than the sum of its proper divisors (59523726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55630194 is a wasteful number, since it uses less digits than its factorization.

55630194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 55630194 is about 7458.5651435112. The cubic root of 55630194 is about 381.7422170973.

The spelling of 55630194 in words is "fifty-five million, six hundred thirty thousand, one hundred ninety-four".