5217620755 has 8 divisors (see below), whose sum is σ = 6316553952. Its totient is φ = 4137157248.

The previous prime is 5217620747. The next prime is 5217620791. The reversal of 5217620755 is 5570267125.

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 5217620755 - 2³ = 5217620747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4616799 + ... + 4617928.

It is an arithmetic number, because the mean of its divisors is an integer number (789569244).

Almost surely, 2^5217620755 is an apocalyptic number.

5217620755 is a deficient number, since it is larger than the sum of its proper divisors (1098933197).

5217620755 is a wasteful number, since it uses less digits than its factorization.

5217620755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234845.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 5217620755 is about 72233.1001342182. The cubic root of 5217620755 is about 1734.4329002254.

The spelling of 5217620755 in words is "five billion, two hundred seventeen million, six hundred twenty thousand, seven hundred fifty-five".