55043799 has 8 divisors (see below), whose sum is σ = 73444080. Its totient is φ = 36669696.

The previous prime is 55043797. The next prime is 55043809. The reversal of 55043799 is 99734055.

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

It is not a de Polignac number, because 55043799 - 2¹ = 55043797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55043799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55043797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (9180510).

Almost surely, 2^55043799 is an apocalyptic number.

55043799 is a deficient number, since it is larger than the sum of its proper divisors (18400281).

55043799 is a wasteful number, since it uses less digits than its factorization.

55043799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13089.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 55043799 is about 7419.1508274195. The cubic root of 55043799 is about 380.3961680881.

The spelling of 55043799 in words is "fifty-five million, forty-three thousand, seven hundred ninety-nine".