53166375000 has 560 divisors, whose sum is σ = 191423331000. Its totient is φ = 13780800000.

The previous prime is 53166374981. The next prime is 53166375001. The reversal of 53166375000 is 57366135.

It is a happy number.

53166375000 is a `hidden beast` number, since 5 + 3 + 16 + 637 + 5 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53166375001) by changing a digit.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 597374956 + ... + 597375044.

Almost surely, 2^53166375000 is an apocalyptic number.

53166375000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53166375000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95711665500).

53166375000 is an abundant number, since it is smaller than the sum of its proper divisors (138256956000).

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

53166375000 is an frugal number, since it uses more digits than its factorization.

53166375000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The spelling of 53166375000 in words is "fifty-three billion, one hundred sixty-six million, three hundred seventy-five thousand".