55112257600 has 63 divisors (see below), whose sum is σ = 135633709047. Its totient is φ = 22041146880.

The previous prime is 55112257579. The next prime is 55112257637. The reversal of 55112257600 is 675221155.

The square root of 55112257600 is 234760.

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

It can be written as a sum of positive squares in 4 ways, for example, as 18199089216 + 36913168384 = 134904^2 + 192128^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9387466 + ... + 9393334.

Almost surely, 2^55112257600 is an apocalyptic number.

55112257600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55112257600 is the 234760-th square number.

It is an amenable number.

55112257600 is an abundant number, since it is smaller than the sum of its proper divisors (80521451447).

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

55112257600 is an frugal number, since it uses more digits than its factorization.

55112257600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11760 (or 5876 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

Adding to 55112257600 its reverse (675221155), we get a palindrome (55787478755).

The spelling of 55112257600 in words is "fifty-five billion, one hundred twelve million, two hundred fifty-seven thousand, six hundred".