55790440000 has 105 divisors (see below), whose sum is σ = 138459398341. Its totient is φ = 22297280000.

The previous prime is 55790439989. The next prime is 55790440007. The reversal of 55790440000 is 4409755.

The square root of 55790440000 is 236200.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 16542075456 + 39248364544 = 128616^2 + 198112^2 .

It is a super-2 number, since 2×55790440000² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55790440007) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 47239410 + ... + 47240590.

Almost surely, 2^55790440000 is an apocalyptic number.

55790440000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55790440000 is the 236200-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55790440000

55790440000 is an abundant number, since it is smaller than the sum of its proper divisors (82668958341).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55790440000 is an frugal number, since it uses more digits than its factorization.

55790440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 55790440000 its reverse (4409755), we get a palindrome (55794849755).

The spelling of 55790440000 in words is "fifty-five billion, seven hundred ninety million, four hundred forty thousand".