55483433438454 has 192 divisors, whose sum is σ = 147091048366080. Its totient is φ = 15339052179360.

The previous prime is 55483433438399. The next prime is 55483433438467. The reversal of 55483433438454 is 45483433438455.

It is a happy number.

55483433438454 is a `hidden beast` number, since 5 + 5 + 4 + 83 + 43 + 34 + 38 + 454 = 666.

It is a super-2 number, since 2×55483433438454² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 55483433438391 and 55483433438400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 934680027 + ... + 934739385.

It is an arithmetic number, because the mean of its divisors is an integer number (766099210240).

Almost surely, 2^{55483433438454} is an apocalyptic number.

55483433438454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55483433438454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73545524183040).

55483433438454 is an abundant number, since it is smaller than the sum of its proper divisors (91607614927626).

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

55483433438454 is a wasteful number, since it uses less digits than its factorization.

55483433438454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68277 (or 68265 counting only the distinct ones).

The product of its digits is 663552000, while the sum is 63.

Subtracting from 55483433438454 its reverse (45483433438455), we obtain a palindrome (9999999999999).

The spelling of 55483433438454 in words is "fifty-five trillion, four hundred eighty-three billion, four hundred thirty-three million, four hundred thirty-eight thousand, four hundred fifty-four".