55424988043920 has 320 divisors, whose sum is σ = 208372971847680. Its totient is φ = 13429303948800.

The previous prime is 55424988043897. The next prime is 55424988043927. The reversal of 55424988043920 is 2934088942455.

55424988043920 is a `hidden beast` number, since 5 + 5 + 4 + 2 + 498 + 80 + 43 + 9 + 20 = 666.

It is a super-3 number, since 3×55424988043920³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55424988043927) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44698705 + ... + 45921935.

It is an arithmetic number, because the mean of its divisors is an integer number (651165537024).

Almost surely, 2^{55424988043920} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55424988043920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104186485923840).

55424988043920 is an abundant number, since it is smaller than the sum of its proper divisors (152947983803760).

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

55424988043920 is a wasteful number, since it uses less digits than its factorization.

55424988043920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225171 (or 1225159 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 63.

The spelling of 55424988043920 in words is "fifty-five trillion, four hundred twenty-four billion, nine hundred eighty-eight million, forty-three thousand, nine hundred twenty".