52321140140052 has 96 divisors (see below), whose sum is σ = 141917030744832. Its totient is φ = 14693796043776.

The previous prime is 52321140140047. The next prime is 52321140140063. The reversal of 52321140140052 is 25004104112325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12763863 + ... + 16357214.

It is an arithmetic number, because the mean of its divisors is an integer number (1478302403592).

Almost surely, 2^{52321140140052} is an apocalyptic number.

It is an amenable number.

52321140140052 is an abundant number, since it is smaller than the sum of its proper divisors (89595890604780).

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

52321140140052 is a wasteful number, since it uses less digits than its factorization.

52321140140052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29121457 (or 29121455 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 52321140140052 its reverse (25004104112325), we get a palindrome (77325244252377).

The spelling of 52321140140052 in words is "fifty-two trillion, three hundred twenty-one billion, one hundred forty million, one hundred forty thousand, fifty-two".