55434191 has 8 divisors (see below), whose sum is σ = 58483200. Its totient is φ = 52398360.

The previous prime is 55434187. The next prime is 55434193. The reversal of 55434191 is 19143455.

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

It is a cyclic number.

It is not a de Polignac number, because 55434191 - 2² = 55434187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55434193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6056 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (7310400).

Almost surely, 2^55434191 is an apocalyptic number.

55434191 is a deficient number, since it is larger than the sum of its proper divisors (3049009).

55434191 is a wasteful number, since it uses less digits than its factorization.

55434191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589.

The product of its digits is 10800, while the sum is 32.

The square root of 55434191 is about 7445.4140919092. The cubic root of 55434191 is about 381.2933561371.

The spelling of 55434191 in words is "fifty-five million, four hundred thirty-four thousand, one hundred ninety-one".