55076840237568 has 640 divisors, whose sum is σ = 158547642587136. Its totient is φ = 16955611545600.

The previous prime is 55076840237567. The next prime is 55076840237581. The reversal of 55076840237568 is 86573204867055.

It is a junction number, because it is equal to n+sod(n) for n = 55076840237499 and 55076840237508.

It is not an unprimeable number, because it can be changed into a prime (55076840237567) 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, 72756723846 + ... + 72756724602.

Almost surely, 2^{55076840237568} 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 55076840237568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79273821293568).

55076840237568 is an abundant number, since it is smaller than the sum of its proper divisors (103470802349568).

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

55076840237568 is a wasteful number, since it uses less digits than its factorization.

55076840237568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 338688000, while the sum is 66.

The spelling of 55076840237568 in words is "fifty-five trillion, seventy-six billion, eight hundred forty million, two hundred thirty-seven thousand, five hundred sixty-eight".