5520391370 has 16 divisors (see below), whose sum is σ = 10701066600. Its totient is φ = 2038298304.

The previous prime is 5520391343. The next prime is 5520391381. The reversal of 5520391370 is 731930255.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1475558569 + 4044832801 = 38413^2 + 63599^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5520391370.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21232145 + ... + 21232404.

Almost surely, 2^5520391370 is an apocalyptic number.

5520391370 is a deficient number, since it is larger than the sum of its proper divisors (5180675230).

5520391370 is a wasteful number, since it uses less digits than its factorization.

5520391370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42464569.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 5520391370 is about 74299.3362689062. The cubic root of 5520391370 is about 1767.3529511614.

The spelling of 5520391370 in words is "five billion, five hundred twenty million, three hundred ninety-one thousand, three hundred seventy".