55753231680 has 336 divisors, whose sum is σ = 194626748160. Its totient is φ = 14647578624.

The previous prime is 55753231649. The next prime is 55753231691. The reversal of 55753231680 is 8613235755.

55753231680 is a `hidden beast` number, since 5 + 5 + 7 + 532 + 31 + 6 + 80 = 666.

55753231680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73649862 + ... + 73650618.

Almost surely, 2^55753231680 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 55753231680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97313374080).

55753231680 is an abundant number, since it is smaller than the sum of its proper divisors (138873516480).

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

55753231680 is a wasteful number, since it uses less digits than its factorization.

55753231680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 55753231680 in words is "fifty-five billion, seven hundred fifty-three million, two hundred thirty-one thousand, six hundred eighty".