52516220401 has 8 divisors (see below), whose sum is σ = 53153956800. Its totient is φ = 51878603472.

The previous prime is 52516220329. The next prime is 52516220461. The reversal of 52516220401 is 10402261525.

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 52516220401 - 2³⁵ = 18156482033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52516220401.

It is not an unprimeable number, because it can be changed into a prime (52516220461) 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, 1122391 + ... + 1168243.

It is an arithmetic number, because the mean of its divisors is an integer number (6644244600).

Almost surely, 2^52516220401 is an apocalyptic number.

It is an amenable number.

52516220401 is a deficient number, since it is larger than the sum of its proper divisors (637736399).

52516220401 is a wasteful number, since it uses less digits than its factorization.

52516220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59735.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 52516220401 its reverse (10402261525), we get a palindrome (62918481926).

The spelling of 52516220401 in words is "fifty-two billion, five hundred sixteen million, two hundred twenty thousand, four hundred one".