55919839737216 has 768 divisors, whose sum is σ = 188615384455680. Its totient is φ = 14364499968000.

The previous prime is 55919839737197. The next prime is 55919839737247. The reversal of 55919839737216 is 61273793891955.

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, 13056229411 + ... + 13056233693.

It is an arithmetic number, because the mean of its divisors is an integer number (245592948510).

Almost surely, 2^{55919839737216} is an apocalyptic number.

55919839737216 is a gapful number since it is divisible by the number (56) 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 55919839737216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94307692227840).

55919839737216 is an abundant number, since it is smaller than the sum of its proper divisors (132695544718464).

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

55919839737216 is a wasteful number, since it uses less digits than its factorization.

55919839737216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075 (or 5050 counting only the distinct ones).

The product of its digits is 771573600, while the sum is 75.

The spelling of 55919839737216 in words is "fifty-five trillion, nine hundred nineteen billion, eight hundred thirty-nine million, seven hundred thirty-seven thousand, two hundred sixteen".