5244820557 has 8 divisors (see below), whose sum is σ = 6993437184. Its totient is φ = 3496375488.

The previous prime is 5244820543. The next prime is 5244820577. The reversal of 5244820557 is 7550284425.

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

It is not a de Polignac number, because 5244820557 - 2¹⁰ = 5244819533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5244820577) 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, 73813 + ... + 126245.

It is an arithmetic number, because the mean of its divisors is an integer number (874179648).

Almost surely, 2^5244820557 is an apocalyptic number.

It is an amenable number.

5244820557 is a deficient number, since it is larger than the sum of its proper divisors (1748616627).

5244820557 is a wasteful number, since it uses less digits than its factorization.

5244820557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85779.

The product of its (nonzero) digits is 448000, while the sum is 42.

The square root of 5244820557 is about 72421.1333589858. The cubic root of 5244820557 is about 1737.4415825778.

The spelling of 5244820557 in words is "five billion, two hundred forty-four million, eight hundred twenty thousand, five hundred fifty-seven".