55618194 has 8 divisors (see below), whose sum is σ = 111236400. Its totient is φ = 18539396.

The previous prime is 55618193. The next prime is 55618229. The reversal of 55618194 is 49181655.

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

55618194 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55618193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4634844 + ... + 4634855.

It is an arithmetic number, because the mean of its divisors is an integer number (13904550).

Almost surely, 2^55618194 is an apocalyptic number.

55618194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55618194 is a wasteful number, since it uses less digits than its factorization.

55618194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9269704.

The product of its digits is 43200, while the sum is 39.

The square root of 55618194 is about 7457.7606558537. The cubic root of 55618194 is about 381.7147665607.

The spelling of 55618194 in words is "fifty-five million, six hundred eighteen thousand, one hundred ninety-four".