55985843760 has 960 divisors, whose sum is σ = 237625933824. Its totient is φ = 10750924800.

The previous prime is 55985843731. The next prime is 55985843777. The reversal of 55985843760 is 6734858955.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 55985843694 and 55985843703.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 92233377 + ... + 92233983.

Almost surely, 2^55985843760 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 55985843760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118812966912).

55985843760 is an abundant number, since it is smaller than the sum of its proper divisors (181640090064).

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

55985843760 is a wasteful number, since it uses less digits than its factorization.

55985843760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 60.

The spelling of 55985843760 in words is "fifty-five billion, nine hundred eighty-five million, eight hundred forty-three thousand, seven hundred sixty".