53775257030660 has 192 divisors, whose sum is σ = 125343351189504. Its totient is φ = 19216131379200.

The previous prime is 53775257030641. The next prime is 53775257030683. The reversal of 53775257030660 is 6603075257735.

It is a junction number, because it is equal to n+sod(n) for n = 53775257030596 and 53775257030605.

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, 9181362452 + ... + 9181368308.

It is an arithmetic number, because the mean of its divisors is an integer number (652829954112).

Almost surely, 2^{53775257030660} 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 53775257030660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62671675594752).

53775257030660 is an abundant number, since it is smaller than the sum of its proper divisors (71568094158844).

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

53775257030660 is a wasteful number, since it uses less digits than its factorization.

53775257030660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554 (or 8552 counting only the distinct ones).

The product of its (nonzero) digits is 27783000, while the sum is 56.

The spelling of 53775257030660 in words is "fifty-three trillion, seven hundred seventy-five billion, two hundred fifty-seven million, thirty thousand, six hundred sixty".