55773797988384 has 240 divisors, whose sum is σ = 192528473151168. Its totient is φ = 15504684968448.

The previous prime is 55773797988383. The next prime is 55773797988427. The reversal of 55773797988384 is 48388979737755.

55773797988384 is a `hidden beast` number, since 5 + 5 + 7 + 73 + 79 + 7 + 98 + 8 + 384 = 666.

It is a super-2 number, since 2×55773797988384² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55773797988294 and 55773797988303.

It is not an unprimeable number, because it can be changed into a prime (55773797988383) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40868574 + ... + 42211229.

Almost surely, 2^{55773797988384} is an apocalyptic number.

55773797988384 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55773797988384 is an abundant number, since it is smaller than the sum of its proper divisors (136754675162784).

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

55773797988384 is a wasteful number, since it uses less digits than its factorization.

55773797988384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83079869 (or 83079852 counting only the distinct ones).

The product of its digits is 89616844800, while the sum is 90.

The spelling of 55773797988384 in words is "fifty-five trillion, seven hundred seventy-three billion, seven hundred ninety-seven million, nine hundred eighty-eight thousand, three hundred eighty-four".