55313021405430 has 192 divisors, whose sum is σ = 149991711135552. Its totient is φ = 14129927884800.

The previous prime is 55313021405413. The next prime is 55313021405431. The reversal of 55313021405430 is 3450412031355.

55313021405430 is a `hidden beast` number, since 5 + 5 + 3 + 1 + 3 + 0 + 214 + 0 + 5 + 430 = 666.

55313021405430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55313021405431) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 556413730 + ... + 556513130.

It is an arithmetic number, because the mean of its divisors is an integer number (781206828831).

Almost surely, 2^{55313021405430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55313021405430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74995855567776).

55313021405430 is an abundant number, since it is smaller than the sum of its proper divisors (94678689730122).

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

55313021405430 is a wasteful number, since it uses less digits than its factorization.

55313021405430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102223 (or 102220 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 55313021405430 its reverse (3450412031355), we get a palindrome (58763433436785).

The spelling of 55313021405430 in words is "fifty-five trillion, three hundred thirteen billion, twenty-one million, four hundred five thousand, four hundred thirty".