55406412300 has 72 divisors (see below), whose sum is σ = 160495727616. Its totient is φ = 14757853760.

The previous prime is 55406412263. The next prime is 55406412323. The reversal of 55406412300 is 321460455.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151897 + ... + 365903.

It is an arithmetic number, because the mean of its divisors is an integer number (2229107328).

Almost surely, 2^55406412300 is an apocalyptic number.

55406412300 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 55406412300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80247863808).

55406412300 is an abundant number, since it is smaller than the sum of its proper divisors (105089315316).

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

55406412300 is a wasteful number, since it uses less digits than its factorization.

55406412300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214887 (or 214880 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 55406412300 its reverse (321460455), we get a palindrome (55727872755).

The spelling of 55406412300 in words is "fifty-five billion, four hundred six million, four hundred twelve thousand, three hundred".