55924219 has 8 divisors (see below), whose sum is σ = 61508160. Its totient is φ = 50523456.

The previous prime is 55924213. The next prime is 55924229. The reversal of 55924219 is 91242955.

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 55924219 - 2⁷ = 55924091 is a prime.

It is a super-2 number, since 2×55924219² = 6255036541519922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55924213) 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, 45154 + ... + 46375.

It is an arithmetic number, because the mean of its divisors is an integer number (7688520).

Almost surely, 2^55924219 is an apocalyptic number.

55924219 is a deficient number, since it is larger than the sum of its proper divisors (5583941).

55924219 is a wasteful number, since it uses less digits than its factorization.

55924219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91589.

The product of its digits is 32400, while the sum is 37.

The square root of 55924219 is about 7478.2497283790. The cubic root of 55924219 is about 382.4135826532.

The spelling of 55924219 in words is "fifty-five million, nine hundred twenty-four thousand, two hundred nineteen".