55424847 has 8 divisors (see below), whose sum is σ = 74250880. Its totient is φ = 36774360.

The previous prime is 55424833. The next prime is 55424849. The reversal of 55424847 is 74842455.

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

It is not a de Polignac number, because 55424847 - 2¹⁸ = 55162703 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 (55424849) 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, 43147 + ... + 44412.

It is an arithmetic number, because the mean of its divisors is an integer number (9281360).

Almost surely, 2^55424847 is an apocalyptic number.

55424847 is a deficient number, since it is larger than the sum of its proper divisors (18826033).

55424847 is a wasteful number, since it uses less digits than its factorization.

55424847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87773.

The product of its digits is 179200, while the sum is 39.

The square root of 55424847 is about 7444.7865651072. The cubic root of 55424847 is about 381.2719313013.

The spelling of 55424847 in words is "fifty-five million, four hundred twenty-four thousand, eight hundred forty-seven".