52320140501 has 4 divisors (see below), whose sum is σ = 52800141900. Its totient is φ = 51840139104.

The previous prime is 52320140497. The next prime is 52320140531. The reversal of 52320140501 is 10504102325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31170255601 + 21149884900 = 176551^2 + 145430^2 .

It is a cyclic number.

It is not a de Polignac number, because 52320140501 - 2² = 52320140497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52320140531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240000536 + ... + 240000753.

It is an arithmetic number, because the mean of its divisors is an integer number (13200035475).

Almost surely, 2^52320140501 is an apocalyptic number.

It is an amenable number.

52320140501 is a deficient number, since it is larger than the sum of its proper divisors (480001399).

52320140501 is a wasteful number, since it uses less digits than its factorization.

52320140501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480001398.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 52320140501 its reverse (10504102325), we get a palindrome (62824242826).

The spelling of 52320140501 in words is "fifty-two billion, three hundred twenty million, one hundred forty thousand, five hundred one".