55500249 has 8 divisors (see below), whose sum is σ = 84571840. Its totient is φ = 31714416.

The previous prime is 55500239. The next prime is 55500283. The reversal of 55500249 is 94200555.

It is a happy number.

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

It is not a de Polignac number, because 55500249 - 2⁴ = 55500233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55500209) 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, 1321414 + ... + 1321455.

It is an arithmetic number, because the mean of its divisors is an integer number (10571480).

Almost surely, 2^55500249 is an apocalyptic number.

It is an amenable number.

55500249 is a deficient number, since it is larger than the sum of its proper divisors (29071591).

55500249 is a wasteful number, since it uses less digits than its factorization.

55500249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642879.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 55500249 is about 7449.8489246427. The cubic root of 55500249 is about 381.4447517399. Note that the first 3 decimals are identical.

The spelling of 55500249 in words is "fifty-five million, five hundred thousand, two hundred forty-nine".