55434118 has 4 divisors (see below), whose sum is σ = 83151180. Its totient is φ = 27717058.

The previous prime is 55434101. The next prime is 55434133. The reversal of 55434118 is 81143455.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55434118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13858528 + ... + 13858531.

It is an arithmetic number, because the mean of its divisors is an integer number (20787795).

Almost surely, 2^55434118 is an apocalyptic number.

55434118 is a deficient number, since it is larger than the sum of its proper divisors (27717062).

55434118 is a wasteful number, since it uses less digits than its factorization.

55434118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27717061.

The product of its digits is 9600, while the sum is 31.

The square root of 55434118 is about 7445.4091895610. The cubic root of 55434118 is about 381.2931887649.

The spelling of 55434118 in words is "fifty-five million, four hundred thirty-four thousand, one hundred eighteen".