4555217949 has 16 divisors (see below), whose sum is σ = 6652653120. Its totient is φ = 2759617280.

The previous prime is 4555217911. The next prime is 4555217959. The reversal of 4555217949 is 9497125554.

It is a cyclic number.

It is not a de Polignac number, because 4555217949 - 2⁹ = 4555217437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555217959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538487 + ... + 1541444.

It is an arithmetic number, because the mean of its divisors is an integer number (415790820).

Almost surely, 2^4555217949 is an apocalyptic number.

It is an amenable number.

4555217949 is a deficient number, since it is larger than the sum of its proper divisors (2097435171).

4555217949 is a wasteful number, since it uses less digits than its factorization.

4555217949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079980.

The product of its digits is 2268000, while the sum is 51.

The square root of 4555217949 is about 67492.3547448154. The cubic root of 4555217949 is about 1657.6889926432.

The spelling of 4555217949 in words is "four billion, five hundred fifty-five million, two hundred seventeen thousand, nine hundred forty-nine".