55163717846512 has 80 divisors (see below), whose sum is σ = 118515322283904. Its totient is φ = 24662800800000.

The previous prime is 55163717846477. The next prime is 55163717846543. The reversal of 55163717846512 is 21564871736155.

It is a super-2 number, since 2×55163717846512² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4255887 + ... + 11333137.

Almost surely, 2^{55163717846512} 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 55163717846512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59257661141952).

55163717846512 is an abundant number, since it is smaller than the sum of its proper divisors (63351604437392).

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

55163717846512 is a wasteful number, since it uses less digits than its factorization.

55163717846512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077998 (or 7077992 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 61.

The spelling of 55163717846512 in words is "fifty-five trillion, one hundred sixty-three billion, seven hundred seventeen million, eight hundred forty-six thousand, five hundred twelve".