55455540100 has 27 divisors (see below), whose sum is σ = 120343632367. Its totient is φ = 22181274080.

The previous prime is 55455540073. The next prime is 55455540113. The reversal of 55455540100 is 104555455.

The square root of 55455540100 is 235490.

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 34008523396 + 21447016704 = 184414^2 + 146448^2 .

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, 2343126 + ... + 2366674.

Almost surely, 2^55455540100 is an apocalyptic number.

55455540100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55455540100 is the 235490-th square number.

It is an amenable number.

55455540100 is an abundant number, since it is smaller than the sum of its proper divisors (64888092267).

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

55455540100 is an frugal number, since it uses more digits than its factorization.

55455540100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47112 (or 23556 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 55455540100 in words is "fifty-five billion, four hundred fifty-five million, five hundred forty thousand, one hundred".