52213665337 has 4 divisors (see below), whose sum is σ = 52246158336. Its totient is φ = 52181172340.

The previous prime is 52213665263. The next prime is 52213665389. The reversal of 52213665337 is 73356631225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52213665337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52213665293 and 52213665302.

It is not an unprimeable number, because it can be changed into a prime (52213665437) 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, 16244089 + ... + 16247302.

It is an arithmetic number, because the mean of its divisors is an integer number (13061539584).

Almost surely, 2^52213665337 is an apocalyptic number.

It is an amenable number.

52213665337 is a deficient number, since it is larger than the sum of its proper divisors (32492999).

52213665337 is a wasteful number, since it uses less digits than its factorization.

52213665337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32492998.

The product of its digits is 680400, while the sum is 43.

The spelling of 52213665337 in words is "fifty-two billion, two hundred thirteen million, six hundred sixty-five thousand, three hundred thirty-seven".