52531470000 has 400 divisors, whose sum is σ = 194946972000. Its totient is φ = 13523328000.

The previous prime is 52531469987. The next prime is 52531470037. The reversal of 52531470000 is 7413525.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

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

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 79 ways as a sum of consecutive naturals, for example, 7826646 + ... + 7833354.

It is an arithmetic number, because the mean of its divisors is an integer number (487367430).

Almost surely, 2^52531470000 is an apocalyptic number.

52531470000 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 52531470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97473486000).

52531470000 is an abundant number, since it is smaller than the sum of its proper divisors (142415502000).

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

52531470000 is a wasteful number, since it uses less digits than its factorization.

52531470000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775 (or 6748 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

Adding to 52531470000 its reverse (7413525), we get a palindrome (52538883525).

The spelling of 52531470000 in words is "fifty-two billion, five hundred thirty-one million, four hundred seventy thousand".