53506166340 has 192 divisors, whose sum is σ = 165327402240. Its totient is φ = 12821760000.

The previous prime is 53506166321. The next prime is 53506166341. The reversal of 53506166340 is 4366160535.

It is a happy number.

53506166340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53506166341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50429410 + ... + 50430470.

It is an arithmetic number, because the mean of its divisors is an integer number (861080220).

Almost surely, 2^53506166340 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 53506166340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82663701120).

53506166340 is an abundant number, since it is smaller than the sum of its proper divisors (111821235900).

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

53506166340 is a wasteful number, since it uses less digits than its factorization.

53506166340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 53506166340 in words is "fifty-three billion, five hundred six million, one hundred sixty-six thousand, three hundred forty".