55671433307760 has 320 divisors, whose sum is σ = 176448058030080. Its totient is φ = 14517394145280.

The previous prime is 55671433307729. The next prime is 55671433307773. The reversal of 55671433307760 is 6770333417655.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55671433307760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 830623050 + ... + 830690070.

It is an arithmetic number, because the mean of its divisors is an integer number (551400181344).

Almost surely, 2^{55671433307760} 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 55671433307760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88224029015040).

55671433307760 is an abundant number, since it is smaller than the sum of its proper divisors (120776624722320).

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

55671433307760 is a wasteful number, since it uses less digits than its factorization.

55671433307760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67536 (or 67530 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 57.

The spelling of 55671433307760 in words is "fifty-five trillion, six hundred seventy-one billion, four hundred thirty-three million, three hundred seven thousand, seven hundred sixty".