52820306807 has 8 divisors (see below), whose sum is σ = 55929483792. Its totient is φ = 49711363200.

The previous prime is 52820306767. The next prime is 52820306813. The reversal of 52820306807 is 70860302825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52820306807 - 2⁸ = 52820306551 is a prime.

It is a super-2 number, since 2×52820306807² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52820306107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661457 + ... + 736997.

It is an arithmetic number, because the mean of its divisors is an integer number (6991185474).

Almost surely, 2^52820306807 is an apocalyptic number.

52820306807 is a deficient number, since it is larger than the sum of its proper divisors (3109176985).

52820306807 is a wasteful number, since it uses less digits than its factorization.

52820306807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116689.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 52820306807 in words is "fifty-two billion, eight hundred twenty million, three hundred six thousand, eight hundred seven".