53555351302680 has 128 divisors (see below), whose sum is σ = 162067734835200. Its totient is φ = 14157228096000.

The previous prime is 53555351302637. The next prime is 53555351302681. The reversal of 53555351302680 is 8620315355535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53555351302681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5594310 + ... + 11764650.

It is an arithmetic number, because the mean of its divisors is an integer number (1266154178400).

Almost surely, 2^{53555351302680} 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 53555351302680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81033867417600).

53555351302680 is an abundant number, since it is smaller than the sum of its proper divisors (108512383532520).

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

53555351302680 is a wasteful number, since it uses less digits than its factorization.

53555351302680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170985 (or 6170981 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 51.

The spelling of 53555351302680 in words is "fifty-three trillion, five hundred fifty-five billion, three hundred fifty-one million, three hundred two thousand, six hundred eighty".