55196612190720 has 5760 divisors, whose sum is σ = 277279272990720. Its totient is φ = 9958588416000.

The previous prime is 55196612190701. The next prime is 55196612190721. The reversal of 55196612190720 is 2709121669155.

55196612190720 is a `hidden beast` number, since 5 + 5 + 1 + 9 + 6 + 612 + 19 + 0 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (5760).

It is not an unprimeable number, because it can be changed into a prime (55196612190721) by changing a digit.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 205191866746 + ... + 205191867014.

It is an arithmetic number, because the mean of its divisors is an integer number (48138762672).

Almost surely, 2^{55196612190720} 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 55196612190720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138639636495360).

55196612190720 is an abundant number, since it is smaller than the sum of its proper divisors (222082660800000).

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

55196612190720 is a wasteful number, since it uses less digits than its factorization.

55196612190720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 55196612190720 in words is "fifty-five trillion, one hundred ninety-six billion, six hundred twelve million, one hundred ninety thousand, seven hundred twenty".