55530194 has 24 divisors (see below), whose sum is σ = 89123328. Its totient is φ = 25943360.

The previous prime is 55530193. The next prime is 55530197. The reversal of 55530194 is 49103555.

It is a self number, because there is not a number n which added to its sum of digits gives 55530194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55530193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110147 + ... + 110649.

It is an arithmetic number, because the mean of its divisors is an integer number (3713472).

Almost surely, 2^55530194 is an apocalyptic number.

55530194 is a deficient number, since it is larger than the sum of its proper divisors (33593134).

55530194 is a wasteful number, since it uses less digits than its factorization.

55530194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 55530194 is about 7451.8584259230. The cubic root of 55530194 is about 381.5133418790.

The spelling of 55530194 in words is "fifty-five million, five hundred thirty thousand, one hundred ninety-four".