53155170000 has 200 divisors, whose sum is σ = 190658719680. Its totient is φ = 14174640000.

The previous prime is 53155169999. The next prime is 53155170023. The reversal of 53155170000 is 7155135.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 171565 + ... + 368435.

Almost surely, 2^53155170000 is an apocalyptic number.

53155170000 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 53155170000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95329359840).

53155170000 is an abundant number, since it is smaller than the sum of its proper divisors (137503549680).

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

53155170000 is a wasteful number, since it uses less digits than its factorization.

53155170000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196908 (or 196881 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The spelling of 53155170000 in words is "fifty-three billion, one hundred fifty-five million, one hundred seventy thousand".