55431110600 has 72 divisors (see below), whose sum is σ = 129426622230. Its totient is φ = 22078118400.

The previous prime is 55431110597. The next prime is 55431110617. The reversal of 55431110600 is 601113455.

It can be written as a sum of positive squares in 9 ways, for example, as 20775364 + 55410335236 = 4558^2 + 235394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55431110600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58906130 + ... + 58907070.

Almost surely, 2^55431110600 is an apocalyptic number.

55431110600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55431110600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64713311115).

55431110600 is an abundant number, since it is smaller than the sum of its proper divisors (73995511630).

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

55431110600 is an equidigital number, since it uses as much as digits as its factorization.

55431110600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 55431110600 in words is "fifty-five billion, four hundred thirty-one million, one hundred ten thousand, six hundred".