53143365000 has 640 divisors, whose sum is σ = 189479347200. Its totient is φ = 12305280000.

The previous prime is 53143364993. The next prime is 53143365043. The reversal of 53143365000 is 56334135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 515954949 + ... + 515955051.

It is an arithmetic number, because the mean of its divisors is an integer number (296061480).

Almost surely, 2^53143365000 is an apocalyptic number.

53143365000 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 53143365000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94739673600).

53143365000 is an abundant number, since it is smaller than the sum of its proper divisors (136335982200).

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

53143365000 is a wasteful number, since it uses less digits than its factorization.

53143365000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 53143365000 its reverse (56334135), we get a palindrome (53199699135).

The spelling of 53143365000 in words is "fifty-three billion, one hundred forty-three million, three hundred sixty-five thousand".