55398194 has 8 divisors (see below), whose sum is σ = 83196828. Its totient is φ = 27665920.

The previous prime is 55398193. The next prime is 55398199. The reversal of 55398194 is 49189355.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53479969 + 1918225 = 7313^2 + 1385^2 .

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 (55398193) 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, 14447 + ... + 17874.

Almost surely, 2^55398194 is an apocalyptic number.

55398194 is a deficient number, since it is larger than the sum of its proper divisors (27798634).

55398194 is a wasteful number, since it uses less digits than its factorization.

55398194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33180.

The product of its digits is 194400, while the sum is 44.

The square root of 55398194 is about 7442.9963052523. The cubic root of 55398194 is about 381.2108054664.

The spelling of 55398194 in words is "fifty-five million, three hundred ninety-eight thousand, one hundred ninety-four".